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Ketene vs Keene - What's the difference?

ketene | keene |

As a noun ketene

is (organic chemistry) any of a class of unsaturated ketones, having a general formula r1r2c=c=o, that react as if they were inner acid anhydrides.

As a proper noun keene is

of irish origin.

ketene

English

Noun

(wikipedia ketene) (en noun)
  • (organic chemistry) any of a class of unsaturated ketones, having a general formula R1R2C=C=O, that react as if they were inner acid anhydrides
  • (organic compound) the parent compound of this class, CH2=C=O, an unstable, reactive colourless gas

    • keene

    English

    Adjective

    (en adjective)
  • * (rfdate) Oph. You are keene''' my lord, you are ' keene - Hamlet, Shakespeare