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acorn tube
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noun Electronics.
a vacuum tube, resembling an acorn in size and shape, used chiefly in ultrahigh-frequency electronic devices.
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Origin of acorn tube
First recorded in 1930â35
Words nearby acorn tube
acorn barnacle, acorn chair, acorn clock, acorn spoon, acorn squash, acorn tube, acorn valve, acorn worm, A Coruña, Acosta's disease, acotyledon
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022