si : Idioms & Phrases
do-si-do
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noun a square-dance figure; two dancers approach each other and circle back to back before returning to their original places
WordNet
si quis
Si` quis"
Etymology
L., if any one (the first words of the notice in Latin).Definitions
(Ch. of Eng.) A notification by a candidate for orders of his intention to inquire whether any impediment may be alleged against him.
Webster 1913
si system
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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)
Systeme International; SI system; International System of Units; International System; SI; Systeme International d'Unites.
- Today the United States is the only country in the world not totally committed to the Systeme International d'Unites
WordNet
si unit
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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)
Systeme International; SI system; International System of Units; International System; SI; Systeme International d'Unites.
- Today the United States is the only country in the world not totally committed to the Systeme International d'Unites
