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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: pm to pyron.

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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pm (abbreviation)
poiseuille (fluid mechanics)
pole (in electricity and magnetism)
poumar (textiles)
pound (unit, measure)
pound·foot (engineering)
practical unit (electromagnetism)
pragilbert (magnetomotive force)
pramaxwell (magnetic flux)
praoersted (magnetic field strength)
preece (electricity)
proton (in physics, chemistry)
prout (sub-atomic physics)
psH (chemistry)
puncheon (material)
pwt (mass)
pyron (physics)