AEROMETRY

, Aerometria, the science of measuring the air, its powers and properties; comprehending not only the quantity of the air itself, as a fluid body, but also its pressure or weight, its elasticity, rarefaction, condensation, &c.

The term is not much used at present; this branch of natural philosophy being usually called pneumatics, which see. Wolfius, late professor of mathematics at Hall, having reduced several properties of the air to geometrical demonstrations, sirst published at Leipsic his Elements of Aerometry, in the German language, and afterwards more enlarged in Latin, which have since been inserted in his Cursus Mathematicus, in five volumes in 4to.