Si

See also: Appendix:Variations of "si"

Translingual

Symbol

Si

1. (chemistry) silicon.

English

Etymology 1

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

Pronunciation

• IPA^(key): /saɪ/
• Rhymes: -aɪ

• Audio (US):

  (file)

• Homophones: sigh, sie, sai, psi, xi, scye, Sy, Cy, Si

Proper noun

Si

1. A diminutive of the male given name Simon.
2. A diminutive of the male given name Silas.

Alternative forms

• Sy

Etymology 2

From the Hanyu Pinyin romanization of the Mandarin 泗 (Sì) and Mandarin 肆 (Sì).

Pronunciation

• IPA^(key): /sɪ/, /sə/

Proper noun

Si

1. A river in Shandong, China.
2. A county of Suzhou, Anhui, China.
   • 2022 July 4, Sophie Yu, Stella Qiu, Ryan Woo, “Eastern China cities tighten COVID curbs as new clusters emerge”, in William Mallard, editor, Reuters‎^[1], archived from the original on 05 July 2022, Healthcare & Pharmaceuticals‎^[2]:

     Si county in Anhui province locked down its 760,000 residents and suspended public traffic as it reported 288 cases on Saturday.

   • 2022 July 5, Zixu Wang, “Covid Outbreak Emerges in China’s Anhui Province”, in The New York Times‎^[3], →ISSN, →OCLC, archived from the original on 2022-07-05, The Coronavirus Pandemic‎^[4]:

     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.

3. (historical) Various prefectures of imperial China.

Alternative forms

• Su, Ssu

Synonyms

• (county): Sixian, Ssu-hsien
• (prefectures): Sizhou, Ssu-chou

Etymology 3

Pronunciation

• enPR: sē

Proper noun

Si

1. Alternative form of Xi

Further reading

• “Si”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

Anagrams

• 'is, I's, IS, Is, i's, is, is-, is.

Alemannic German

Etymology

See si (“they”). Cognate with German Sie.

Pronoun

Si

1. (polite) you (singular and plural)

Declension

Alemannic German personal pronouns

		nominative	accusative	dative	possessive m
1st person singular		ich, i	mich, mi	mir, mier, mer	min, miin
2nd person singular	familiar	du	dich, di	dir, dier, der	din, diin
	polite	Si		Ine, Ene, -ne	Ire
3rd person singular	m	er	in, en	im	sin, siin
	f	si		ire
	n	es, 's, -s		im	sin, siin
1st person plural		mir, mer	üs, öis, ois, eus		üse, öise, oise, euse
2nd person plural		ir, ier	öi, eu		öie, eure
3rd person plural		si		ine, ene, -ne	ire

Limburgish

Pronunciation

• IPA^(key): /ziː/
• Homophone: si
• Rhymes: -iː

Etymology 1

From Proto-West Germanic *sīdā, from Proto-Germanic *sīdǭ.

Noun

Si f (plural Sijje) (Eupen)

1. (geometry, and in general) side (a bounding straight edge of a two-dimensional shape)

   Synonym: Kaïnt

2. (geometry) face, side, surface of any three-dimensional object
3. page (single leaf of any manuscript or book)
4. side (one of the two surfaces of a sheet of paper)
5. one side or half of something or someone
6. (figuratively) a certain aspect of a concept
7. (figuratively) side, faction or group of competitors in a war, game, conflict or any other competitive situation in opposite to their opponents
8. face of a coin or dice

Etymology 2

From Old Limburgish sīda, from Medieval Latin sīda, sēta, from Latin saeta (“horsehair; bristle; silk”).

Noun

Si f (plural Sijje) (Eupen)

1. silk
2. Any of several parasitic vines, of the genus Cuscuta, having small white flowers but no leaves.