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Definition of SI
1. Noun. A tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors.
Generic synonyms: Chemical Element, Element, Semiconducting Material, Semiconductor
Substance meronyms: Quartz, Clay, Feldspar, Felspar, Granite, Sand, Silicone, Silicone Polymer
2. 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"
Generic synonyms: Metric System
3. Noun. The syllable naming the seventh (subtonic) note of any musical scale in solmization.
Definition of SI
1. Initialism. The abbreviation for ''Système International d'Unités'' or the International System of Units, commonly known as the metric system. ¹
2. Initialism. Smithsonian Institution ¹
3. Initialism. (electronics) Signal integrity ¹
4. Initialism. (technology) Systems integration ¹
5. Initialism. self-injury ¹
6. Proper noun. A diminutive of the male given name '''Simon'''. ¹
7. Noun. (music) A syllable used in solfège to represent the seventh note of a major scale. ¹
¹ Source: wiktionary.com
Definition of SI
1. ti [n -S] - See also: ti
Medical Definition of SI
1.
Lexicographical Neighbors of SI
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