Related terms:
si
lb
pint
gram
per
yard
joule
ounce
metre
mean
meter
pound
equal
units
atomic
metric
second
multiples
centimetre
avoirdupois
metric system
constant
conversion
measurement
customary units
equivalent
speed of light
weights and measures
units of measurement
national physical laboratory
Wikipedia sources:
Second
Dyne
Tonne
Metrology
Centimetre
Systems of measurement
Electron volt
Pascal (unit)
United States customary units
Context for words:
system
of
units
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