Definition for A-ER-OM'E-TER

A-ER-OM'E-TER, n. [Gr. αηρ, air, and μετρον, measure.]

  1. An instrument for weighing air, or for ascertaining the mean bulk of gases. – Journ. of Science.
  2. An instrument for ascertaining the density or rarity of air. Morin.

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