SI (Sports Illustrated)
weekly magazine that covers a variety of topics related to professional sports
SI (Systeme Internationale d'Unites)
The International System of Units, international metric system, metric system of units of measurement used for scientific work
Si
Si, si, or SI may refer to (all SI unless otherwise stated): In language:One of two Italian words:sì (accented) for "
yes"si (unaccented), a
pronounOne of two Spanish words:sí (accented) for "
yes" or the
reflexive pronoun.si (unaccented) for "
if".şi, a Romanian word for "and"si, a French word meaning "yes, on the contrary", "as," "however," "so" and "if"Si, the person focus-marker in the
Chamorro languageSi, a shortening of the first name
SimonISO 639 alpha-2 code for the
Sinhalese language
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si
International System of Units
The International System of Units (abbreviated SI from the
French ) is the modern form of the
metric system. It is the world's most widely used
system of units, both in everyday
commerce and in
science.The older metric system included several groups of units. The SI was developed in 1960 from the old
metre-
kilogram-
second (mks) system, rather than the
centimetre-gram-second (cgs) system, which, in turn, had a few variants.The SI introduced several newly named units. The SI is not static — units are created and definitions are modified through international agreement among many nations as the technology of measurement progresses.
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SÍ Sørvágur
Si (Silicium)
SI, silicon, nonmetallic element, second most common element in the Earth's crust (commonly used to manufacture metal alloys and electronic components) (Chemistry)
SI (Système d'initiative)
initiative system
SI (système international)
tourist office or bureau
si
conj.
if, whether
adv.
so, such, that, as
si (s')
pron.
oneself; himself; herself; itself; themselves (Grammar)
sì
conj.
so as, so that
adv.
yes, yea, yeah, yep, (slang) aye
sì (m)
n.
yes