plume

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plume

1. Biology any feathery part, such as the structure on certain fruits and seeds that aids dispersal by wind
2. Geology a rising column of hot, low viscosity material within the earth's mantle, which is believed to be responsible for linear oceanic island chains and flood basalts

plume

[plüm]
(analytical chemistry)

plume

Wood veneer having a large featherlike figure, usually cut from a crotch.