Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “bleach”

bleach

noun [U] uk   /bliːtʃ/ us  
a strong chemical used for cleaning things or removing colour from things

bleach

verb [T or I] uk   /bliːtʃ/ us  
to remove the colour from something or make it lighter, with the use of chemicals or by the effect of light from the sun; to become lighter in this way : Gary's had his hair bleached. There was nothing there except for a pile of sun-bleached bones. The bones of oxen were bleaching in the sun beside the trail.
(Definition of bleach from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of bleach?
Browse related topics

You are looking at an entry to do with Cleaning agents, but you might be interested in these topics from the Clean, dirty and cleaning topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “bleach” in other dictionaries

Word of the Day

first:

(a person or thing) coming before all others in order, time, amount, quality, or importance

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More