Definition of dihydroxyacetone in English:

dihydroxyacetone

nounˌdʌɪhʌɪdrɒksɪˈasɪtəʊnˌdīhīˌdräksēˈasətōn

mass nounChemistry

A synthetic compound with strong reducing properties, used in lotions for colouring the skin in sunlight.
〔化〕二羟（基）丙酮
Chemical formula: (CH₂OH)CO
Example sentencesExamples
- Researchers have found that dihydroxyacetone, a colorless sugar, interacts with dead cells located in the upper layer of the epidermis to produce a harmless color change that lasts about a week.
- Artificial tanning products use chemicals such as dihydroxyacetone that react with proteins in the skin to create a brown color.
- Recently it has been proposed to use dihydroxyacetone as a fluorescent marker for these events.
- Some beauty salons have recorded a 20% increase in sales of the treatment, which uses the colour additive dihydroxyacetone.
- All self-tanners contain a chemical called dihydroxyacetone, or DHA, which temporarily stains (within about an hour) the uppermost layer of your skin, called the stratum corneum.

Origin

Late 19th century: from dihydroxy- (in the sense 'containing two hydroxyl groups in the molecule') + acetone.

Definition of dihydroxyacetone in US English:

dihydroxyacetone

nounˌdīhīˌdräksēˈasətōn

Chemistry

A synthetic compound with strong reducing properties, used in lotions for coloring the skin in sunlight.
〔化〕二羟（基）丙酮
Chemical formula: (CH₂OH)CO
Example sentencesExamples
- Some beauty salons have recorded a 20% increase in sales of the treatment, which uses the colour additive dihydroxyacetone.
- Recently it has been proposed to use dihydroxyacetone as a fluorescent marker for these events.
- Artificial tanning products use chemicals such as dihydroxyacetone that react with proteins in the skin to create a brown color.
- All self-tanners contain a chemical called dihydroxyacetone, or DHA, which temporarily stains (within about an hour) the uppermost layer of your skin, called the stratum corneum.
- Researchers have found that dihydroxyacetone, a colorless sugar, interacts with dead cells located in the upper layer of the epidermis to produce a harmless color change that lasts about a week.

Origin

Late 19th century: from dihydroxy- (in the sense ‘containing two hydroxyl groups in the molecule’) + acetone.

词汇	dihydroxyacetone
释义	Definition of dihydroxyacetone in English: dihydroxyacetone nounˌdʌɪhʌɪdrɒksɪˈasɪtəʊnˌdīhīˌdräksēˈasətōn mass nounChemistry A synthetic compound with strong reducing properties, used in lotions for colouring the skin in sunlight. 〔化〕二羟（基）丙酮 Chemical formula: (CH₂OH)CO Example sentencesExamples Researchers have found that dihydroxyacetone, a colorless sugar, interacts with dead cells located in the upper layer of the epidermis to produce a harmless color change that lasts about a week. Artificial tanning products use chemicals such as dihydroxyacetone that react with proteins in the skin to create a brown color. Recently it has been proposed to use dihydroxyacetone as a fluorescent marker for these events. Some beauty salons have recorded a 20% increase in sales of the treatment, which uses the colour additive dihydroxyacetone. All self-tanners contain a chemical called dihydroxyacetone, or DHA, which temporarily stains (within about an hour) the uppermost layer of your skin, called the stratum corneum. Origin Late 19th century: from dihydroxy- (in the sense 'containing two hydroxyl groups in the molecule') + acetone. Definition of dihydroxyacetone in US English: dihydroxyacetone nounˌdīhīˌdräksēˈasətōn Chemistry A synthetic compound with strong reducing properties, used in lotions for coloring the skin in sunlight. 〔化〕二羟（基）丙酮 Chemical formula: (CH₂OH)CO Example sentencesExamples Some beauty salons have recorded a 20% increase in sales of the treatment, which uses the colour additive dihydroxyacetone. Recently it has been proposed to use dihydroxyacetone as a fluorescent marker for these events. Artificial tanning products use chemicals such as dihydroxyacetone that react with proteins in the skin to create a brown color. All self-tanners contain a chemical called dihydroxyacetone, or DHA, which temporarily stains (within about an hour) the uppermost layer of your skin, called the stratum corneum. Researchers have found that dihydroxyacetone, a colorless sugar, interacts with dead cells located in the upper layer of the epidermis to produce a harmless color change that lasts about a week. Origin Late 19th century: from dihydroxy- (in the sense ‘containing two hydroxyl groups in the molecule’) + acetone.
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