Lexic.us

Definition of SI unit

1. Noun. A complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela). "Today the United States is the only country in the world not totally committed to the Systeme International d'Unites"

Medical Definition of SI unit

1. An International System of Units of measurement in which the fundamental units are standardised. Examples include: metre, kilometre, ampere, gray, joule, Sievert, Becquerel. Origin: Fr. Le Systeme International d'Unites This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of SI Unit

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