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Meaning of ethynylene | Babel Free

Noun CEFR B2

Definitions

The divalent radical derived from ethyne -C≡C-

especially, in-compounds

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

ethypicone ethyr ETI etianic acid ETIAS etibendazole