fluid
noun C1
/ˈfluːɪd/
countable, uncountable (formal or specialist)
​a liquid; a substance that can flow
body fluids (= for example, blood)
The doctor told him to drink plenty of fluids.
cleaning fluid
It's important to replace fluids and salts that are lost during exercise.
Retaining excess fluid could be a problem.
They drained a lot of fluid from his lungs.
SEE ALSO amber fluid, amniotic fluid, brake fluid, correction fluid
Collocations
adjective
excess
amniotic
bodily
verb + fluid
drain
drink
lose
fluid
adjective
/ˈfluːɪd/
1 ​(formal) (of movements, designs, music, etc.) smooth and beautiful
SYNONYM flowing
a loose, fluid style of dancing
fluid guitar playing
the fluid lines of the drawing
2 ​(formal) (of a situation) likely to change; not fixed
The fluid political situation made investment impossible.
a fluid relationship between managers and staff
the growth of a socially fluid urban society
SEE ALSO gender-fluid
Collocations
verbs
be
become
remain
adverb
extremely
fairly
very
3 ​(specialist) that can flow freely, as gases and liquids do
a fluid consistency