choroid definition, meaning - what is choroid 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 “choroid”

See all translations

choroid

noun [C] uk   /ˈkɔː.rɔɪd/  us   /ˈkɔːr.ɔɪd/ specialized
the layer between the retina and the outer white covering of the eye, that contains blood vessels and pigment (= substance giving colour)

choroid

adjective uk   /ˈkɔː.rɔɪd/  us   /ˈkɔːr.ɔɪd/ specialized
resembling the chorion (= the outer membrane of the sac around the developing foetus)
(Definition of choroid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of choroid?
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