English
si
see also: SI, Si
Etymology

From Middle English si, Italian si in the solmization of Guido of Arezzo, from the initials of Latin Sāncte Iohannēs in the lyrics of the scale-ascending hymn Ut queant laxis by Paulus Deacon; thus, also an initialism of Sāncte Iohannēs.

Pronunciation Noun

si (plural sis)

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

see si/translations

SI
Proper noun
  1. Système International d'Unités or the International System of Units, commonly known as the metric system.
    see Appendix on SI Units
Proper noun
  1. Initialism of Smithsonian Institution
  2. International System of Units
Noun

si

  1. (electronics) Initialism of signal integrity
  2. (technology) Initialism of systems integration
  3. Initialism of self-injury
  4. Initialism of suicidal ideation
  5. (fandom slang) Initialism of self-insertion (of the author into fan fiction)
  6. (mechanical engineering) Initialism of spark ignition
  7. Initialism of supporting information
  8. Initialism of special intelligence
  9. (finance) Initialism of systematic internaliser
  10. Initialism of swarm intelligence
  11. Initialism of synthetic intelligence
  12. (Philippines, accounting, business) Initialism of sales invoice
  13. (UK, Canada, Australia, law) Initialism of statutory instrument
  14. Initialism of subinspector (of police, etc)
    India's first transgender SI
Adjective

si (not comparable)

  1. (anatomy, medicine) Initialism of sacroiliac
    SI joint
Si
Etymology 1

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

Pronunciation Proper noun
  1. A male given name.
  2. A male given name.
Etymology 2

From the cmn-pinyin - romanization of the and .

Pronunciation
  • IPA: /sɪ/, /sə/
Proper noun
  1. river in Shandong.
  2. A county in Suzhou, Anhui.
  3. (historical) Various prefectures of imperial China.
Synonyms
  • (county) Sixian, Ssu-hsien
  • (prefectures) Sizhou, Ssu-chou
Proper noun
  1. Alternative form of Xi


This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.005
Offline English dictionary