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词汇 hydrate
释义

Definition of hydrate in English:

hydrate

noun ˈhʌɪdreɪtˈhaɪˌdreɪt
Chemistry
  • A compound, typically a crystalline one, in which water molecules are chemically bound to another compound or an element.

    〔化〕水化物

    Example sentencesExamples
    • Gas hydrate is a crystalline substance composed of gas and water.
    • Methane hydrates belong to a group of compounds known as gas hydrates.
    • The two most stable species of phosphates are the two extremes of hydrates, the anhydrous salt and the fully hydrated salt.
    • Methane hydrate is an ice-like compound in which methane molecules are enclosed in cavities formed by water molecules.
    • Most of the remainder comes from wetlands, gas hydrates, permafrost, and termites.
verb hʌɪˈdreɪtˈhaɪˌdreɪt
[with object]
  • 1Cause to absorb water.

    使水化

    a powerful moisturizer that hydrates the skin for up to twelve hours
    Example sentencesExamples
    • And I do have unlimited bottled water and orange juice here with which to hydrate myself.
    • Replenish moisture lost during the super-cleansing by hydrating your skin thoroughly.
    • The skin is constantly hydrated and has protection against line-producing dehydration.
    • The chicken feet are first blanched with boiling water to hydrate the skin.
    • Rub the sachet over your entire body to cleanse and hydrate dry skin.
    • This not only hydrates the plant but settles the soil close to the roots, getting rid of any air pockets.
    • First spray on a little water to hydrate your skin.
    • On their own they will not have a huge impact on symptoms, but they will help to reduce the appearance of scale and redness, they help to hydrate the skin and can soothe itch if present.
    • Water not only hydrates, but it also can increase your blood volume to help make you stronger when you train.
    • The great thing is that it hydrates and protects your skin without leaving your face looking oily.
    • Facial moisturizers help hydrate the skin on your face.
    • All that water you downed hydrates your skin, making your cheeks rosy and eyes bright - bonus!
    • While I was still tingling from that experience a steam mask was put over my face to deep clean my pores and to hydrate my skin further.
    • The treatment is supposed to hydrate skin immediately, making the face appear smoother and plumper.
    • The essential oils of palmarosa, jasmine, sandalwood, and orange blossom hydrate the face to help hold in natural moisture.
    • These are usually emollients, which soothe, smooth and hydrate the skin.
    • Moisturise and hydrate skin thoroughly before going to bed.
    • This one is really good for dry skin, this one hydrates your skin, what do you want it for?
    • When training in hot weather, you need to systematically hydrate your body properly.
    • It hydrates the child throughout the day and gives them the various vitamins and minerals that will help sustain their concentration at school.
    1. 1.1Chemistry Combine chemically with water molecules.
      〔化〕使成水化物
      hydrated silicate crystals

      水化硅酸盐晶体。

      Example sentencesExamples
      • All ions in solution are hydrated, surrounded by water molecules that bond to it through ionic attractions.
      • Sections were dewaxed in xylene and hydrated in ethanol.
      • When an ionic solute is dissolved in water equilibrium is established between the solid phase and the various hydrated ionic species.
      • Water bridges represent the most economical way to hydrate the surface of molecules, with an associated entropic cost.
      • Caesium is a weakly hydrated alkaline metal with chemical similarities to potassium.

Derivatives

  • hydratable

  • adjective
    • In some worst case scenarios, failure to remove hydratable clay from the wellbore can lead to gumbo attacks, packing off, lost circulation and stuck pipe.
      Example sentencesExamples
      • To achieve this aim, the hydratable mineral materials are mixed with the filler or filler mixture in a first step.
      • Water retained by the clays increased with both hydratable surface area and layer charge of the clays.
      • The solution absorbed by the hydratable layer cannot be discharged by mechanical means.
      • Moisture retention coupled with the presence of hydratable oxides could result in volumetric instability.
  • hydrator

  • nounˈhʌɪdreɪtəˈhaɪˌdreɪdər
    • To help your eyelashes stay strong, apply mascaras that condition and strengthen the lash hair with special hydrators like panthenol and keratin.
      Example sentencesExamples
      • After bathing, slather on an oil-based hydrator (while skin is still damp) to help lock in moisture.
      • Bananas not only make great skin hydrators, they also can improve the health and natural elasticity of your hair.
      • Always overloading, he had brought a case of extra ammo for every gun and bow, rations to last three days, the hydrator, a backup tent, and his signaling equipment for Keahi.
      • A no-nonsense hydrator that carries nothing but water - and maybe a jacket stuffed in the external bungee cord.

Origin

Early 19th century: coined in French from Greek hudōr 'water'.

Rhymes

abate, ablate, aerate, ait, await, backdate, bait, bate, berate, castrate, collate, conflate, crate, create, cremate, date, deflate, dictate, dilate, distraite, donate, downstate, eight, elate, equate, estate, fate, fête, fixate, freight, frustrate, gait, gate, gestate, gradate, grate, great, gyrate, hate, inflate, innate, interrelate, interstate, irate, Kate, Kuwait, lactate, late, locate, lustrate, mandate, mate, migrate, misdate, misstate, mistranslate, mutate, narrate, negate, notate, orate, ornate, Pate, placate, plate, prate, prorate, prostrate, pulsate, pupate, quadrate, rate, rotate, sate, sedate, serrate, short weight, skate, slate, spate, spectate, spruit, stagnate, state, straight, strait, Tate, tête-à-tête, Thwaite, translate, translocate, transmigrate, truncate, underrate, understate, underweight, update, uprate, upstate, up-to-date, vacate, vibrate, wait, weight carbohydrate

Definition of hydrate in US English:

hydrate

nounˈhīˌdrātˈhaɪˌdreɪt
Chemistry
  • A compound, typically a crystalline one, in which water molecules are chemically bound to another compound or an element.

    〔化〕水化物

    Example sentencesExamples
    • Methane hydrates belong to a group of compounds known as gas hydrates.
    • Methane hydrate is an ice-like compound in which methane molecules are enclosed in cavities formed by water molecules.
    • The two most stable species of phosphates are the two extremes of hydrates, the anhydrous salt and the fully hydrated salt.
    • Gas hydrate is a crystalline substance composed of gas and water.
    • Most of the remainder comes from wetlands, gas hydrates, permafrost, and termites.
verbˈhīˌdrātˈhaɪˌdreɪt
[with object]
  • 1Cause to absorb water.

    使水化

    Example sentencesExamples
    • The skin is constantly hydrated and has protection against line-producing dehydration.
    • These are usually emollients, which soothe, smooth and hydrate the skin.
    • The essential oils of palmarosa, jasmine, sandalwood, and orange blossom hydrate the face to help hold in natural moisture.
    • The chicken feet are first blanched with boiling water to hydrate the skin.
    • This not only hydrates the plant but settles the soil close to the roots, getting rid of any air pockets.
    • The great thing is that it hydrates and protects your skin without leaving your face looking oily.
    • Replenish moisture lost during the super-cleansing by hydrating your skin thoroughly.
    • The treatment is supposed to hydrate skin immediately, making the face appear smoother and plumper.
    • This one is really good for dry skin, this one hydrates your skin, what do you want it for?
    • When training in hot weather, you need to systematically hydrate your body properly.
    • While I was still tingling from that experience a steam mask was put over my face to deep clean my pores and to hydrate my skin further.
    • Rub the sachet over your entire body to cleanse and hydrate dry skin.
    • On their own they will not have a huge impact on symptoms, but they will help to reduce the appearance of scale and redness, they help to hydrate the skin and can soothe itch if present.
    • It hydrates the child throughout the day and gives them the various vitamins and minerals that will help sustain their concentration at school.
    • All that water you downed hydrates your skin, making your cheeks rosy and eyes bright - bonus!
    • Water not only hydrates, but it also can increase your blood volume to help make you stronger when you train.
    • Facial moisturizers help hydrate the skin on your face.
    • And I do have unlimited bottled water and orange juice here with which to hydrate myself.
    • Moisturise and hydrate skin thoroughly before going to bed.
    • First spray on a little water to hydrate your skin.
    1. 1.1Chemistry Combine chemically with water molecules.
      〔化〕使成水化物
      hydrated silicate crystals

      水化硅酸盐晶体。

      Example sentencesExamples
      • When an ionic solute is dissolved in water equilibrium is established between the solid phase and the various hydrated ionic species.
      • Caesium is a weakly hydrated alkaline metal with chemical similarities to potassium.
      • All ions in solution are hydrated, surrounded by water molecules that bond to it through ionic attractions.
      • Water bridges represent the most economical way to hydrate the surface of molecules, with an associated entropic cost.
      • Sections were dewaxed in xylene and hydrated in ethanol.

Origin

Early 19th century: coined in French from Greek hudōr ‘water’.

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