castor oil definition, meaning - what is castor oil in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “castor oil”

See all translations

castor oil

noun [U] uk   us  
a thick usually yellow oil, used especially as a medicine to help people pass the solid waste in their bowels out of the body
(Definition of castor oil from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of castor oil?
Add Cambridge dictionaries to your browser to your website

Word of the Day

cup tie

a game between two teams trying to win a cup (= prize), especially in football

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

ancestral health noun

May 25, 2015
diet based on the presumed diet of our Palaeolithic ancestors ‘Ancestral health,’ to use a term popular among Paleo followers, has gone mass.

Read More