rising plume

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• Plume (hydrodynamics) — In hydrodynamics, a plume is a column of one fluid moving through another. Several effects control the motion of the fluid, including momentum, buoyancy and density difference. When momentum effects are more important than density differences and …   Wikipedia

• plume — [[t]plu͟ːm[/t]] plumes 1) N COUNT: usu N of n A plume of smoke, dust, fire, or water is a large quantity of it that rises into the air in a column. The rising plume of black smoke could be seen all over Kabul. ...the volcano s towering ash plume …   English dictionary

• plume — ► NOUN 1) a long, soft feather or arrangement of feathers. 2) a long spreading cloud of smoke or vapour. 3) Geology a column of magma rising by convection in the earth s mantle. ► VERB 1) (plumed) decorated with feathers. 2) (of smoke or vapour)… …   English terms dictionary

• plume — plumeless, adj. plumelike, adj. /ploohm/, n., v., plumed, pluming. n. 1. a feather. 2. a large, long, or conspicuous feather: the brilliant plume of a peacock. 3. a soft, fluffy feather: the plume of an egret. 4. any plumose part or formation. 5 …   Universalium

• plume — [[t]plum[/t]] n. v. plumed, plum•ing 1) orn a large, long, or conspicuous feather 2) any plumose part or formation 3) a feather or tuft of feathers worn as an ornament, token of honor or distinction, etc 4) plumage 5) cvb phs a rising or… …   From formal English to slang

• plume — /plum / (say ploohm) noun 1. a feather. 2. a large, long, or conspicuous feather: the plume of an ostrich. 3. a soft, fluffy feather. 4. any plumose part or formation. 5. a stream of smoke or vapour issuing from a stack and blown by the wind. 6.… …  

• plume — pluːm n. feather, group of feathers; large body of vapor or fluid that expands upwards and/or outward (i.e. a plume of smoke rising from a fire) v. decorate with feathers; clean one s feathers, preen (about birds); cover with feathers …   English contemporary dictionary

• plume — noun 1》 a long, soft feather or arrangement of feathers used by a bird for display, or worn on a hat or helmet as decoration. 2》 a long spreading cloud of smoke or vapour. 3》 Geology a column of magma rising by convection in the earth s mantle.… …   English new terms dictionary

• plume — I. noun Etymology: Middle English, from Anglo French, from Latin pluma small soft feather more at fleece Date: 14th century 1. a feather of a bird: as a. a large conspicuous or showy feather b. contour feather c. plumage d. a cluster of… …   New Collegiate Dictionary

• Mantle plume — A superplume generated by cooling processes in the mantle.[1] A mantle plume is a hypothetical thermal diapir of abnormally hot rock that nucleates at the core mantle boundary and rises through the Earth s mantle. Such plumes were invoked in 1971 …   Wikipedia

• magma plume —   a rising body of magma within the mantle …   Geography glossary