bleach

American  

[bleech] / blitʃ /

verb (used with object)

1. to make whiter or lighter in color, such as by exposure to sunlight or a chemical agent; remove the color from.

   Do you think she bleaches her hair?

2. to cause (coral) to undergo a loss of color that indicates declining health: caused by a loss of the algae that normally live symbiotically in the coral’s tissues.

   In sufficient concentrations, the chemicals in certain sunscreens can bleach coral.

3. Photography. to convert (the silver image of a negative or print) to a silver halide, either to remove the image or to change its tone.

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verb (used without object)

1. to become whiter or lighter in color.

   The grass in the fields gradually bleached as winter approached, leaving the landscape pale and drab.

2. (of coral) to undergo a loss of color that indicates declining health: caused by a loss of the algae that normally live symbiotically in the coral’s tissues.

   Coral reefs are bleaching due to ocean pollution and rising sea temperatures.

noun

1. a bleaching agent.

2. an act of bleaching.

3. degree of paleness achieved in bleaching.

bleach British  

/ bliːtʃ /

verb

1. to make or become white or colourless, as by exposure to sunlight, by the action of chemical agents, etc

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noun

1. a bleaching agent

2. the degree of whiteness resulting from bleaching

3. the act of bleaching

bleach Scientific  

/ blēch /

1. A chemical agent used to whiten or remove color from textiles, paper, food, and other substances and materials. Chlorine, sodium hypochlorite, and hydrogen peroxide are bleaches. Bleaches remove color by oxidation or reduction.

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Related Words

See whiten.

Other Word Forms

• bleachability noun
• bleachable adjective
• bleacher noun
• half-bleached adjective
• nonbleach noun
• overbleach verb
• rebleach verb
• semibleached adjective
• unbleached adjective
• unbleaching adjective

Etymology

Origin of bleach

First recorded before 1050; Middle English blechen, Old English blǣcean, derivative of blāc “pale”; cognate with Old Norse bleikja, Old High German bleichēn

Example Sentences

That explosion of tomato and garlic, the ooze of cheese, it erased the smell of bleach that had scorched his nostrils; it filled up the hollow emptiness that yawned in his belly.

From Literature

I stood in the stuffy hall that smelled a little like bleach, closed my eyes, and breathed deep, calming myself down.

From Literature

When it arrived a couple of days later, she yanked the neck until it was loose and sprayed the bottom edge with bleach cleaner to make a stain.

From Literature

Apa grabs the edge of the open door frame, the smell of bleach and Windex from cleaning the lawyers’ offices last night still lingering on his hands.

From Literature

What if I’ve managed to bleach my skin somehow?

From Literature

Related Words

• lighten