Entries from:

International Vocabulary of Basic and General Terms in Metrology (VIM), Second Edition, ISO, 1993.

accuracy of a measuring instrument
accuracy of measurement
coherent (derived) unit of measurement
conventional true value
deviation,
error of measurement
measurable quantity
measurand
physical quantity (measurable quantity)
precision
random error
relative error
relative uncertainty
standard uncertainty
systematic error
true value, in analysis
uncertainty of measurement
unit of measurement
unit system