SI

ti, te, si

(noun) the syllable naming the seventh (subtonic) note of any musical scale in solmization

silicon, Si, atomic number

(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

Source: WordNet® 3.1

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Etymology

Noun

si (plural sis)

(music) A syllable used in solfège to represent the seventh note of a major scale.

Anagrams

• 'is, I's, IS, Is, i's, is, is-

Proper noun

SI

Initialism of Smithsonian Institution.

Noun

SI (uncountable)

(electronics) Initialism of signal integrity.

(technology) Initialism of systems integration.

Initialism of self-injury.

(fandom slang) Initialism of self-insertion. (of the author into fan fiction)

Initialism of supporting information.

Initialism of special intelligence.

Adjective

SI (not comparable)

(anatomy, medicine) Initialism of sacroiliac.

Anagrams

• 'is, I's, IS, Is, i's, is, is-

Etymology 1

From clipping of various words beginning with the syllable /saɪ/.

Proper noun

Si

A diminutive of the male given name Simon.

A diminutive of the male given name Silas.

Etymology 2

Proper noun

Si

(historical geography) Various prefectures of imperial China.

Synonyms: Sizhou, Ssu, Ssu-chou

Anagrams

• 'is, I's, IS, Is, i's, is, is-

Source: Wiktionary

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