Pyramidon

noun

Definitions

Noun
  1. 1
    An organ stop having wooden pipes in the form of an inverted pyramid, giving very deep notes somewhat like those of a stopped diapason.
  2. 2
    A yellowish-white powder used as an antipyretic. uncountable

Etymology

Etymology 1

From pyramid + -on (after accordion, harmonicon etc.).

Etymology 2

From German Pyramidon, corresponding to pyr(azolone) + amid(e) + -on.

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