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.

单词	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.
随便看	ignobly ignominies ignominious ignominiously ignominiously ignominiousness ignominiousness ignominiousnesses ignominy ignorable ignorable ignoramus ignoramuses ignorance ignorance is bliss ignorance is bliss ignorances ignorancy ignorant ignorantism ignorantly ignorantly ignorantness ignorantness ignorantnesses 喷饭喷香喹喹啉喻喻世喻义喻示喽喽啰 Ausfuhrartikel Ausfuhrbedingung Ausfuhrbescheinigung Ausfuhrbeschränkung Ausfuhrbewilligung Ausfuhrbilanz Ausfuhrbürgerschaft Ausfuhrdeklaration Ausfuhrembargo Ausfuhrerhöhung