Definition of activate in English:

activate

verb ˈaktɪveɪtˈæktəˌveɪt

[with object]

1Make (something) active or operative.
使活跃，使运作，激活
fumes from cooking are enough to activate the alarm
烹调的油烟足以激响警报器。
Example sentencesExamples
- It's just a simple feedback operation: You click a switch that activates a set of relays that begin feeding electricity back to themselves, so they remain eternally on.
- Last week we had our first serious tornado watch with afternoon skies gone dark enough to activate the street lamps.
- As I was walking back, she saw me and went to roll down the window but hit the door lock by mistake thus activating the car alarm.
- Upon the application of Tc, the TetR repressor molecules are released from the tet operators and transcription is activated.
- In Scotland, police were concerned enough to activate a nationwide intelligence centre to evaluate the terrorist threat north of the Border.
- When part levels get low at a particular station, the operator activates a radio-frequency signal which causes a paper parts order slip to be generated in the marketplace.
- You'll thereby complete three to six sets per workout, more than enough to activate muscle fibers.
- Although the windows were not linked to the burglar alarm, a sensor activated the system and a passing police patrol stopped to check the building.
- Although we could use a lot more rain, most of our fields have had enough to activate the herbicides and early weed control generally has been good.
- The component also enables the operator to set tolerance limits for important operating parameters, and activates an alarm when deviation from these ranges occurs.
- It automatically inflates within three to five seconds of immersion in water or can be operated manually by activating a ripcord or by self-inflating.
- Now, the state has activated its emergency operation center, saying at a level of one to five, it is now at a level of three.
- One of the men had climbed through the parcel hatch and told her to keep away from the alarm button but she activated it as they left and saw they had a fourth man as a getaway driver outside.
- But this offering is not enough to activate our intellect.
- Her neighbours rushed in after Mrs Green activated the panic alarm she wears around her neck.
- The thieves escaped empty handed after the van's alarm was activated.
- The alarm signal activates the receiver, which then plays the warning to everyone in earshot.
- My telescope gathers about 2,000 times as much light as the unaided eye, enough to activate the cone cells in the human retina, so some color appears.
- If this is not enough to activate an alliance, what is?
- This was the day the GSM operator activated its network and started selling prepaid cards to individual customers.
- It is almost impossible to deliver an inappropriate shock with an AED because the machine will allow the operator to activate the control only if an appropriate arrhythmia is detected.
Synonyms
operate, switch on, turn on, start, start off, start up, set going, get going, trigger off, trigger, trip, set in motion, actuate, initiate, initialize, energize, animate
1. 1.1 Convert (a substance, molecule, etc.) into a reactive form.
  使（物质、分子等）活化；活性化
  a DNA-repair enzyme that is activated by visible light
  activated chlorine
  活性氯。
  Example sentencesExamples
  This results in a decrease in biological activity; but sulphonation is required to activate molecules as well.
  This molecule activates enzymes and other substances to help move fat out of fat cells and deliver it to active tissues (such as muscle fibers) that will burn it as fuel.
  This messenger in turn activates a so-called kinase, an enzyme that attaches phosphate groups to other proteins.
  The specific biochemical reaction to glucagon involves activating a particular enzyme.
  The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction.

Derivatives

activator

noun ˈaktɪveɪtəˈæktəˌveɪdər

Repressors stifle gene expression by blocking the binding of activators, interfering with their recruiting efforts, or smothering the DNA in more protein.
Example sentencesExamples
- You're a kick in the pants, an inspirer, an activator - people love being friends with you because you're full of energy and fun ideas.
- In the midst of secret button activators, underground hidden keypads, and sliding walls, a lift, the ultimate sign of normalcy, was a welcoming change.
- Those 21 strains that grew on AT in the presence of LexA were rejected because the suppression could have been due to mutations that potentiate weak activators.
- They may also serve as upstream activators of the protein kinase C, which is involved in cell wall biosynthesis.

Definition of activate in US English:

activate

verbˈæktəˌveɪtˈaktəˌvāt

[with object]

1Make (something) active or operative.
使活跃，使运作，激活
fumes from cooking are enough to activate the alarm
烹调的油烟足以激响警报器。
Example sentencesExamples
- The alarm signal activates the receiver, which then plays the warning to everyone in earshot.
- The thieves escaped empty handed after the van's alarm was activated.
- Although the windows were not linked to the burglar alarm, a sensor activated the system and a passing police patrol stopped to check the building.
- But this offering is not enough to activate our intellect.
- Upon the application of Tc, the TetR repressor molecules are released from the tet operators and transcription is activated.
- Last week we had our first serious tornado watch with afternoon skies gone dark enough to activate the street lamps.
- If this is not enough to activate an alliance, what is?
- You'll thereby complete three to six sets per workout, more than enough to activate muscle fibers.
- Her neighbours rushed in after Mrs Green activated the panic alarm she wears around her neck.
- One of the men had climbed through the parcel hatch and told her to keep away from the alarm button but she activated it as they left and saw they had a fourth man as a getaway driver outside.
- As I was walking back, she saw me and went to roll down the window but hit the door lock by mistake thus activating the car alarm.
- It is almost impossible to deliver an inappropriate shock with an AED because the machine will allow the operator to activate the control only if an appropriate arrhythmia is detected.
- This was the day the GSM operator activated its network and started selling prepaid cards to individual customers.
- It automatically inflates within three to five seconds of immersion in water or can be operated manually by activating a ripcord or by self-inflating.
- In Scotland, police were concerned enough to activate a nationwide intelligence centre to evaluate the terrorist threat north of the Border.
- When part levels get low at a particular station, the operator activates a radio-frequency signal which causes a paper parts order slip to be generated in the marketplace.
- My telescope gathers about 2,000 times as much light as the unaided eye, enough to activate the cone cells in the human retina, so some color appears.
- Now, the state has activated its emergency operation center, saying at a level of one to five, it is now at a level of three.
- It's just a simple feedback operation: You click a switch that activates a set of relays that begin feeding electricity back to themselves, so they remain eternally on.
- Although we could use a lot more rain, most of our fields have had enough to activate the herbicides and early weed control generally has been good.
- The component also enables the operator to set tolerance limits for important operating parameters, and activates an alarm when deviation from these ranges occurs.
Synonyms
operate, switch on, turn on, start, start off, start up, set going, get going, trigger off, trigger, trip, set in motion, actuate, initiate, initialize, energize, animate
1. 1.1 Convert (a substance, molecule, etc.) into a reactive form.
  使（物质、分子等）活化；活性化
  activated chlorine
  活性氯。
  Example sentencesExamples
  This results in a decrease in biological activity; but sulphonation is required to activate molecules as well.
  The specific biochemical reaction to glucagon involves activating a particular enzyme.
  This messenger in turn activates a so-called kinase, an enzyme that attaches phosphate groups to other proteins.
  This molecule activates enzymes and other substances to help move fat out of fat cells and deliver it to active tissues (such as muscle fibers) that will burn it as fuel.
  The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction.

词汇	activate
释义	Definition of activate in English: activate verb ˈaktɪveɪtˈæktəˌveɪt [with object] 1Make (something) active or operative. 使活跃，使运作，激活 fumes from cooking are enough to activate the alarm 烹调的油烟足以激响警报器。 Example sentencesExamples It's just a simple feedback operation: You click a switch that activates a set of relays that begin feeding electricity back to themselves, so they remain eternally on. Last week we had our first serious tornado watch with afternoon skies gone dark enough to activate the street lamps. As I was walking back, she saw me and went to roll down the window but hit the door lock by mistake thus activating the car alarm. Upon the application of Tc, the TetR repressor molecules are released from the tet operators and transcription is activated. In Scotland, police were concerned enough to activate a nationwide intelligence centre to evaluate the terrorist threat north of the Border. When part levels get low at a particular station, the operator activates a radio-frequency signal which causes a paper parts order slip to be generated in the marketplace. You'll thereby complete three to six sets per workout, more than enough to activate muscle fibers. Although the windows were not linked to the burglar alarm, a sensor activated the system and a passing police patrol stopped to check the building. Although we could use a lot more rain, most of our fields have had enough to activate the herbicides and early weed control generally has been good. The component also enables the operator to set tolerance limits for important operating parameters, and activates an alarm when deviation from these ranges occurs. It automatically inflates within three to five seconds of immersion in water or can be operated manually by activating a ripcord or by self-inflating. Now, the state has activated its emergency operation center, saying at a level of one to five, it is now at a level of three. One of the men had climbed through the parcel hatch and told her to keep away from the alarm button but she activated it as they left and saw they had a fourth man as a getaway driver outside. But this offering is not enough to activate our intellect. Her neighbours rushed in after Mrs Green activated the panic alarm she wears around her neck. The thieves escaped empty handed after the van's alarm was activated. The alarm signal activates the receiver, which then plays the warning to everyone in earshot. My telescope gathers about 2,000 times as much light as the unaided eye, enough to activate the cone cells in the human retina, so some color appears. If this is not enough to activate an alliance, what is? This was the day the GSM operator activated its network and started selling prepaid cards to individual customers. It is almost impossible to deliver an inappropriate shock with an AED because the machine will allow the operator to activate the control only if an appropriate arrhythmia is detected. Synonyms operate, switch on, turn on, start, start off, start up, set going, get going, trigger off, trigger, trip, set in motion, actuate, initiate, initialize, energize, animate 1.1 Convert (a substance, molecule, etc.) into a reactive form. 使（物质、分子等）活化；活性化 a DNA-repair enzyme that is activated by visible light activated chlorine 活性氯。 Example sentencesExamples This results in a decrease in biological activity; but sulphonation is required to activate molecules as well. This molecule activates enzymes and other substances to help move fat out of fat cells and deliver it to active tissues (such as muscle fibers) that will burn it as fuel. This messenger in turn activates a so-called kinase, an enzyme that attaches phosphate groups to other proteins. The specific biochemical reaction to glucagon involves activating a particular enzyme. The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction. Derivatives activator noun ˈaktɪveɪtəˈæktəˌveɪdər Repressors stifle gene expression by blocking the binding of activators, interfering with their recruiting efforts, or smothering the DNA in more protein. Example sentencesExamples You're a kick in the pants, an inspirer, an activator - people love being friends with you because you're full of energy and fun ideas. In the midst of secret button activators, underground hidden keypads, and sliding walls, a lift, the ultimate sign of normalcy, was a welcoming change. Those 21 strains that grew on AT in the presence of LexA were rejected because the suppression could have been due to mutations that potentiate weak activators. They may also serve as upstream activators of the protein kinase C, which is involved in cell wall biosynthesis. Definition of activate in US English: activate verbˈæktəˌveɪtˈaktəˌvāt [with object] 1Make (something) active or operative. 使活跃，使运作，激活 fumes from cooking are enough to activate the alarm 烹调的油烟足以激响警报器。 Example sentencesExamples The alarm signal activates the receiver, which then plays the warning to everyone in earshot. The thieves escaped empty handed after the van's alarm was activated. Although the windows were not linked to the burglar alarm, a sensor activated the system and a passing police patrol stopped to check the building. But this offering is not enough to activate our intellect. Upon the application of Tc, the TetR repressor molecules are released from the tet operators and transcription is activated. Last week we had our first serious tornado watch with afternoon skies gone dark enough to activate the street lamps. If this is not enough to activate an alliance, what is? You'll thereby complete three to six sets per workout, more than enough to activate muscle fibers. Her neighbours rushed in after Mrs Green activated the panic alarm she wears around her neck. One of the men had climbed through the parcel hatch and told her to keep away from the alarm button but she activated it as they left and saw they had a fourth man as a getaway driver outside. As I was walking back, she saw me and went to roll down the window but hit the door lock by mistake thus activating the car alarm. It is almost impossible to deliver an inappropriate shock with an AED because the machine will allow the operator to activate the control only if an appropriate arrhythmia is detected. This was the day the GSM operator activated its network and started selling prepaid cards to individual customers. It automatically inflates within three to five seconds of immersion in water or can be operated manually by activating a ripcord or by self-inflating. In Scotland, police were concerned enough to activate a nationwide intelligence centre to evaluate the terrorist threat north of the Border. When part levels get low at a particular station, the operator activates a radio-frequency signal which causes a paper parts order slip to be generated in the marketplace. My telescope gathers about 2,000 times as much light as the unaided eye, enough to activate the cone cells in the human retina, so some color appears. Now, the state has activated its emergency operation center, saying at a level of one to five, it is now at a level of three. It's just a simple feedback operation: You click a switch that activates a set of relays that begin feeding electricity back to themselves, so they remain eternally on. Although we could use a lot more rain, most of our fields have had enough to activate the herbicides and early weed control generally has been good. The component also enables the operator to set tolerance limits for important operating parameters, and activates an alarm when deviation from these ranges occurs. Synonyms operate, switch on, turn on, start, start off, start up, set going, get going, trigger off, trigger, trip, set in motion, actuate, initiate, initialize, energize, animate 1.1 Convert (a substance, molecule, etc.) into a reactive form. 使（物质、分子等）活化；活性化 activated chlorine 活性氯。 Example sentencesExamples This results in a decrease in biological activity; but sulphonation is required to activate molecules as well. The specific biochemical reaction to glucagon involves activating a particular enzyme. This messenger in turn activates a so-called kinase, an enzyme that attaches phosphate groups to other proteins. This molecule activates enzymes and other substances to help move fat out of fat cells and deliver it to active tissues (such as muscle fibers) that will burn it as fuel. The energy that is required to activate molecules for a chemical reaction is the activation energy of the reaction.
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