nonce-wd. Obs. [f. L. effumāre + -bility: see EFFUME and -ITY.] Capability of being converted into vapor.

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1661.  Boyle, Scept. Chem., IV. 266–7. Paracelsus … seems to define Mercury by Volatility, or (if I may coyne such a Word) Effumability.

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