reflex Meaning in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “reflex” in the English Dictionary

"reflex" in British English

See all translations

reflexnoun

uk   us   /ˈriː.fleks/
[C] a ​physicalreaction to something that you cannot ​control: I'm ​sorry I ​punched him, it was a reflex action/​response.reflexes [plural] the ​ability to ​reactquickly: Fighter ​pilots need good/​fast reflexes.

reflexadjective

uk   us   /ˈriː.fleks/ specialized
A reflex ​angle is more than ​180° and less than 360°.
(Definition of reflex from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"reflex" in American English

See all translations

reflexnoun [C usually pl]

 us   /ˈriˌfleks/
a ​sudden, ​automaticreaction to something: He’s ​strong, always has good positioning, and his reflexes are ​fantastic. biology A reflex is also an ​automaticreactioninvolvingnervecells that is not ​controlled by the ​brain, and, ​therefore, does not ​involvechoice, for ​example, ​sneezing or ​vomiting
(Definition of reflex from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of reflex?
Add Cambridge dictionaries to your browser to your website

More meanings of “reflex”

Word of the Day

golden

made of gold

Word of the Day

Introducing a new author and a new weekly blog post!
Introducing a new author and a new weekly blog post!
by Cambridge Dictionaries Online,
August 27, 2015
The English language is constantly changing. You know that. But did you know that at Cambridge Dictionaries Online we keep track of the changes? We continually add new words and new meanings to our online dictionary for learners of English. Some of them are new to English entirely (neologisms), and some

Read More 

parklet noun
parklet noun
August 31, 2015
a public outdoor space that may be associated with a local business but where anyone can sit Pop-up cafes in NY are what’s actually called parklets in many other places around the country.

Read More