Where does “methylidenyl” come from?

methylidenyl (English) comes from English YL, from English young lady — Used other than with a figurative or idiomatic...

methylidenyl (English): Any substituted derivative of a methylidene...

Definitions

  1. Any substituted derivative of a methylidene...

Ancestry of “methylidenyl”, step by step

methylidenyl traces back through two separate lines of ancestry.

via English YL

StepLanguageWordMeaning
1EnglishYLA female radio amateur; Initialism of young...
2Englishyoung ladyUsed other than with a figurative or idiomatic...

via English methylidene

StepLanguageWordMeaning
1EnglishmethylideneThe CH= radical in which the free valences are...
Every word from English young ladyEvery word from English YL
methylidenyl — Etymology, Origin & Word History | Etymology Explorer