Measures and Units


This resource provides clear definitions of all the units, prefixes and styles of the Système International (SI), as well as traditional and industry-specific units. The terms are taken from a broad range of subjects including astronomy, electromagnetics, geology, photography, mathematics, meteorology, physics, and temperature.
On this page: arcdeg to AWG.

Title Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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arcdeg (geometry)
arcmin (geometry)
arcsec (geometry)
arithmetic (branch of mathematics)
asid (time)
assay ton (mining engineering)
astronomical day (astronomy)
atmo-metre (physics)
atmos. (pressure)
atomic number (in chemistry)
atomic unit (atomic physics)
atrop (time)
atto- (prefix)
average (in mathematics)
Avogadro constant (fundamental constant)
Avogadro's number (in physics)
AWG (technology)