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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

5 words match “ETHYLIDENE”

ETHYLIDENE n.
An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.
ETHIDENE n.
Ethylidene. [Obs.]
LACTIC a.
mentation. The two acids are alike in having the same constitution (expressed by the name ethylidene lactic acid), but the latter is optically inactive, while sarcolactic acid rotates the plane of polarization to the right. The third acid, ethylene lactic acid, accompanies sarcolactic acid in the juice of flesh, and is…
PROPIDENE n.
The unsymmetrical hypothetical hydrocarbon radical, CH3.CH2.CH, analogous to ethylidene, and regarded as the type of certain derivatives of propane; -- called also propylidene.
TRIGENIC a.
lline substance having a slightly acid taste and faint smell; -- called also ethidene- or ethylidene-biuret.