Meaning of FLUID in English

/ ˈfluːɪd; NAmE / noun , adjective

■ noun

[ C , U ] a liquid; a substance that can flow :

body fluids (= for example, blood)

The doctor told him to drink plenty of fluids.

cleaning fluid

■ adjective


( formal ) ( of movements, designs, music, etc. ) smooth and elegant

SYN flowing :

a loose, fluid style of dancing

fluid guitar playing

the fluid lines of the drawing


( formal ) ( of a situation ) likely to change; not fixed :

a fluid political situation


( technical ) that can flow freely, as gases and liquids do :

a fluid consistency



late Middle English (as an adjective): from French fluide or Latin fluidus , from fluere to flow.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.