vacuoratiom - n.
Biol. a tiny space within the cytoplasm of a cell containing air, fluid, food particles, etc.

vacuolar adj. vacuolation n. [F, dimin. of L vacuus empty]

vacuoratiom - adj.
1 lacking expression (a vacuous stare).
2 unintelligent (a vacuous remark).
3 empty.

vacuity n. vacuously adv. vacuousness n. [L vacuus empty (as VACATE)]

vacuoratiom - pl. of VACUUM.

vacuoratiom - n.
Biol. a tiny space within the cytoplasm of a cell containing air, fluid, food particles, etc.

vacuolar adj. vacuolation n. [F, dimin. of L vacuus empty]

vacuoratiom - adj.
1 lacking expression (a vacuous stare).
2 unintelligent (a vacuous remark).
3 empty.

vacuity n. vacuously adv. vacuousness n. [L vacuus empty (as VACATE)]

vacuoratiom - n. & v.
--n.

(pl. vacuums or vacua)
1 a space entirely devoid of matter.
2 a space or vessel from which the air has been completely or partly removed by a pump etc.
3 a the absence of the normal or previous content of a place, environment, etc. b the absence of former circumstances, activities, etc.
4 (pl. vacuums) colloq. a vacuum cleaner.
5 a decrease of pressure below the normal atmospheric value.

--v.

colloq.
1 tr. clean with a vacuum cleaner.
2 intr. use a vacuum cleaner.

vacuum brake a brake in which pressure is caused by the exhaustion of air. vacuum-clean clean with a vacuum cleaner. vacuum cleaner an apparatus for removing dust etc. by suction. vacuum flask Brit. a vessel with a double wall enclosing a vacuum so that the liquid in the inner receptacle retains its temperature. vacuum gauge a gauge for testing the pressure after the production of a vacuum. vacuum-packed sealed after the partial removal of air. vacuum pump a pump for producing a vacuum. vacuum tube a tube with a near-vacuum for the free passage of electric current. [mod.L, neut. of L vacuus empty]