Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fluid”

See all translations

fluid

noun [C/U]  /ˈflu·ɪd/ us  
a substance that flows and is not solid: [U] The doctor drained some fluid from her lungs. medical Fluids are liquids that you drink: [C] Dr. Tay says I need rest and lots of fluids.

fluid

adjective  /ˈflu·əd/ us  
having a flowing or changing quality: a dancer’s fluid movements The situation remains fluid – we offered her the job, but she hasn’t responded yet.
Translations of “fluid”
in Korean 액체…
in Arabic سائل…
in French fluide, liquide…
in Turkish sıvı…
in Italian liquido…
in Chinese (Traditional) 液體, 流質…
in Russian жидкость…
in Polish płyn, płyny…
in Spanish fluido, líquido…
in Portuguese fluido, líquido…
in German die Flüssigkeit…
in Catalan líquid…
in Japanese 液体…
in Chinese (Simplified) 液体, 流质…
(Definition of fluid from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of fluid?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “fluid”

Definitions of “fluid” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More