Meaning of FLUID in English

FLUID

n. & adj.

--n.

1. a substance, esp. a gas or liquid, lacking definite shape and capable of flowing and yielding to the slightest pressure.

2 a fluid part or secretion.

--adj.

1. able to flow and alter shape freely.

2 constantly changing or fluctuating (the situation is fluid).

3 (of a clutch, coupling, etc.) in which liquid is used to transmit power.

Phrases and idioms:

fluid drachm see DRACHM. fluid ounce see OUNCE(1).

Derivatives:

fluidify v.tr. (-ies, -ied). fluidity n. fluidly adv. fluidness n.

Etymology: F fluide or L fluidus f. fluere flow

Oxford English vocab.      Оксфордский английский словарь.