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Webster 1913 Edition

Aerometer

Aˊër-om′e-ter

,

Noun.

[

Aëro-

+

-meter

: cf. F.

éromètre

.]

An instrument for ascertaining the weight or density of air and gases.

Webster 1828 Edition

Aerometer

AEROM'ETER

,

Noun.

[Gr. air, and measure.]

An instrument for weighing air, or for ascertaining the mean bulk of gases.