SI

name
/siː//saɪ///

Etymology

From Middle English si (“seventh degree or note of Guido of Arezzo's hexachordal scales”), Italian si in the solmization of Guido of Arezzo, from the initials of Latin Sāncte Iohannēs (“Saint John (the Baptist)”) in the lyrics of the scale-ascending hymn Ut queant laxis by Paulus Deacon; thus, also an initialism of Sāncte Iohannēs.

  1. derived from Sāncte Iohannēs — “Saint John (the Baptist)
  2. derived from si
  3. inherited from si

Definitions

  1. International System of Units

  2. Initialism of Smithsonian Institution.

  3. Initialism of Sports Illustrated.

  4. + 24 more definitions
    1. Initialism of signal integrity.

    2. Initialism of systems integration.

    3. Initialism of self-injury.

    4. Initialism of suicidal ideation.

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

    6. Initialism of spark ignition.

    7. Initialism of supporting information.

    8. Initialism of special intelligence.

    9. Initialism of systematic internaliser.

    10. Initialism of swarm intelligence.

    11. Initialism of synthetic intelligence.

    12. Initialism of sales invoice.

    13. Initialism of statutory instrument.

    14. Initialism of subinspector (of police, etc).

      • India's first transgender SI
    15. Initialism of surface interval.

    16. Initialism of sacroiliac.

      • SI joint
    17. A syllable used in solfège to represent the seventh note of a major scale.

    18. A diminutive of the male given name Simon.

    19. A diminutive of the female given name Simone.

    20. A diminutive of the male given name Silas.

    21. A river in Shandong, China.

    22. A county of Suzhou, Anhui, China.

      • Si county in Anhui province locked down its 760,000 residents and suspended public traffic as it reported 288 cases on Saturday.
      • Most of Anhui’s cases were identified in Suzhou’s Si County, where on Wednesday the authorities ordered its 760,000 residents to refrain from going out unless it was necessary.
    23. Various prefectures of imperial China.

    24. Alternative form of Xi.

The neighborhood

Derived

SIer

Vish — recursive loop

No curated loop yet for SI. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA