ethylidene

[ ĕthə-lĭ-dēn′, ĕ-thĭlĭ- ]

n.

The bivalent hydrocarbon radical C2H4 that is isomeric to the ethylene radical.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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