| 单词 | bleach |
| 释义 | bleach (once / 1453 pages) vn To bleach is to whiten, or to strip of color. After many summers of use, the sun will bleach your favorite beach towel. You might bleach your white laundry, or bleach your dark brown hair until it's pale blonde. In both cases, you use bleach, a strong chemical solution that can often be found in laundry rooms and hair salons. The Old English root word is blæcan, "bleach" or "whiten," from a Germanic source it curiously shares with the word black. WORD FAMILYbleach: bleached, bleacher, bleaches, bleaching+/bleached: unbleached/bleacher: bleachers USAGE EXAMPLESThey also said their supervisors would often wait outside while bleach fumes filled the room. The Guardian(Dec 22, 2016) A knife was also found in a bottle of bleach. BBC(Dec 19, 2016) A coral researcher sounded the alarm over massive bleaching at the Great Barrier Reef. Nature(Dec 18, 2016) 1v make whiter or lighter bleach the laundry Hypo|Hyper peroxide bleach with peroxide white, whiten turn white 2v remove color from The sun bleached the red shirt Syn|Hyper bleach out, decolor, decolorise, decolorize, decolour, decolourise, decolourize, discolorise, discolorize, discolourise discolor, discolour cause to lose or change color 3n the act of whitening something by bleaching it (exposing it to sunlight or using a chemical bleaching agent) Hypo|Hyper etiolation (botany) the act of causing a plant to develop without chlorophyll by growing it without exposure to sunlight lightening, whitening changing to a lighter color 4n the whiteness that results from removing the color from something a complete bleach usually requires several applications Hyper white, whiteness the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black) 5n an agent that makes things white or colorless Syn|Hypo|Hyper blanching agent, bleaching agent, whitener benzoyl peroxide a white crystalline peroxide used in bleaching (flour or oils or fats) and as a catalyst for free radical reactions bleaching powder, chloride of lime, chlorinated limea white powder comprised of calcium hydroxide and chloride and hypochlorite and used to bleach and/or disinfect calcium hypochloriteany hypochlorite of calcium; used as a bleaching agent chlorine dioxidean explosive gas (ClO2) used chiefly in bleaching paper or starch or soap or flour and in water purification chlorine wateran aqueous solution of chlorine used as a bleaching agent Cloroxa commercial bleaching agent sodium hypochloritean unstable salt (NaOCl) used as a bleaching agent and disinfectant Javel water, Javelle water, eau de Javellean aqueous solution of sodium hypochlorite agent a substance that exerts some force or effect |
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