Standard Lemma guide

silicon

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • sĭl'ĭkən
  • Australian, Canada, UK, US: /ˈsɪlɪkən/
  • General-American: Recorded audio is listed in the source snapshot.
  • New-Jersey: Recorded audio is listed in the source snapshot.
  • sĭl'ĭkŏn′
  • Canada, Received-Pronunciation: /ˈsɪləkɒn/
  • General-American: /ˈsɪləˌkɑn/
  • General-American: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S IH1 L AH0 K AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A nonmetallic element (symbol Si) with an atomic number of 14 and atomic weight of 28.0855.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: silicium, silicum

Antonyms: none provided

2

noun

Meaning 2

A single atom of this element.

Definition source: English Wiktionary via Wiktextract

Usage: countable, usually

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Computing.

Definition source: English Wiktionary via Wiktextract

Usage: slang, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A computer processor.

Definition source: English Wiktionary via Wiktextract

Usage: slang, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Abbreviation of silicon chip.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Si, atomic number 14

Antonyms: none provided

Broader terms: chemical element, element, semiconductor, semiconducting material

History

Etymology

Coined by Scottish chemist Thomas Thomson as a modification of the earlier name silicium, from the stem of Latin silex (“flint, silica”) + -on from carbon.

From the silicon chips used in computers.

Across languages

Translations

112 source translations are retained for this English entry.

  • Afrikaans: silikon — non-metallic element
  • Albanian: silicium — non-metallic element
  • Arabic: سِيلِيكُون m or سِلِكُون (sīlīkūn) — non-metallic element
  • Armenian: սիլիցիում (silicʻium) — non-metallic element
  • Asturian: siliciu — non-metallic element
  • Basque: silizioa — non-metallic element
  • Belarusian: крэ́мній (krémnij) — non-metallic element
  • Belarusian: крэмень (kremien) — non-metallic element
  • Breton: silisiom — non-metallic element
  • Breton: silikiom — non-metallic element
  • Bulgarian: сили́ций (silícij) — non-metallic element
  • Catalan: silici — non-metallic element
  • Chinese Mandarin: 硅 (guī) — non-metallic element
  • Chinese Mandarin: 矽 (xī) — non-metallic element
  • Cornish: silikon — non-metallic element
  • Corsican: siliciu — non-metallic element
  • Czech: křemík — non-metallic element
  • Danish: silicium — non-metallic element
  • Dutch: silicium — non-metallic element
  • Esperanto: silicio — non-metallic element
  • Estonian: räni — non-metallic element
  • Faroese: silisium — non-metallic element
  • Finnish: pii — non-metallic element
  • French: silicium — non-metallic element
  • West-Frisian: silisium — non-metallic element
  • Friulian: silici — non-metallic element
  • Galician: silicio — non-metallic element
  • Georgian: სილიციუმი (siliciumi) — non-metallic element
  • German: Silizium — non-metallic element
  • German: Silicium — non-metallic element
  • Central Franconian: Silizium — non-metallic element
  • Greek: πυρίτιο (pyrítio) — non-metallic element
  • Gujarati: સિલિકોન (silikon) — non-metallic element
  • Gujarati: સૈકતા (saiktā) — non-metallic element
  • Haitian Creole: silisyòm — non-metallic element
  • Hawaiian: silikone — non-metallic element
  • Hebrew: צורן (tsoran) — non-metallic element
  • Hindi: सैकता (saiktā) — non-metallic element
  • Hungarian: szilícium — non-metallic element
  • Icelandic: kísill — non-metallic element
  • Ido: siliko — non-metallic element
  • Indonesian: silikon — non-metallic element
  • Indonesian: zat pasir — non-metallic element
  • Interlingua: silicium — non-metallic element
  • Irish: sileacan — non-metallic element
  • Italian: silicio — non-metallic element
  • Japanese: ケイ素 (keiso) — non-metallic element
  • Japanese: 珪素 (keiso) — non-metallic element
  • Japanese: シリコン (shirikon) — non-metallic element
  • Kannada: ಸಿಲಿಕಾನ್ (silikān) — non-metallic element
  • Kashubian: krzém — non-metallic element
  • Kazakh: кремний (kremnii) — non-metallic element
  • Khmer: ស៊ីលីស្យូម (siiliisyoum) — non-metallic element
  • Korean: 규소 (gyuso) — non-metallic element
  • Korean: 실리콘 (sillikon) — non-metallic element
  • Northern Kurdish: sîlîsyûm — non-metallic element
  • Kyrgyz: кремний (kremniy) — non-metallic element
  • Lao: ຊິລິຄອນ (si li khǭn) — non-metallic element
  • Latin: silicium — non-metallic element
  • Latvian: silīcijs — non-metallic element
  • Lingala: siliki class 9a/10a — non-metallic element
  • Lithuanian: silicis — non-metallic element
  • Low German: silizium — non-metallic element
  • Luxembourgish: Silizium — non-metallic element
  • Macedonian: силициум (silicium) — non-metallic element
  • Malay: silikon — non-metallic element
  • Malayalam: സിലിക്കണ് (silikkaṇ) — non-metallic element
  • Maltese: silikon — non-metallic element
  • Manx: silicoin — non-metallic element
  • Māori: takawai — non-metallic element
  • Marathi: सिलिकॉन (silikŏn) — non-metallic element
  • Mongolian: цахиур (caxiur) — non-metallic element
  • Nahuatl: tecpatli — non-metallic element
  • Norwegian Bokmål: silisium — non-metallic element
  • Norwegian Nynorsk: silisium — non-metallic element
  • Occitan: silici — non-metallic element
  • Persian: سیلیسیم (silisyom) — non-metallic element
  • Polish: krzem — non-metallic element
  • Portuguese: silício — non-metallic element
  • Punjabi: ਸਿਲੀਕੋਨ (silīkon) — non-metallic element
  • Quechua: ullayayaq — non-metallic element
  • Romanian: siliciu — non-metallic element
  • Russian: кре́мний (krémnij) — non-metallic element
  • Russian: сили́ций (silícij) — non-metallic element
  • Sanskrit: सैकतीय (saikatīya) — non-metallic element
  • Santali: ᱥᱤᱞᱤᱠᱟᱱ (silikan) — non-metallic element
  • Scottish Gaelic: sileacon — non-metallic element
  • Serbo-Croatian: силицијум — non-metallic element
  • Serbo-Croatian: сѝлӣцӣј — non-metallic element
  • Serbo-Croatian: silicijum — non-metallic element
  • Serbo-Croatian: sìlīcīj — non-metallic element
  • Sicilian: siliciu — non-metallic element
  • Slovak: kremík — non-metallic element
  • Slovene: silicij — non-metallic element
  • Spanish: silicio — non-metallic element
  • Swahili: silikoni — non-metallic element
  • Swedish: kisel — non-metallic element
  • Tagalog: silisyo — non-metallic element
  • Tajik: силитсий (silitsiy) — non-metallic element
  • Tamil: சிலிக்கான் (cilikkāṉ) — non-metallic element
  • Telugu: సిలికాన్ (silikān) — non-metallic element
  • Thai: ซิลิคอน (sí-lí-kɔ̂n) — non-metallic element
  • Turkish: silisyum — non-metallic element
  • Ukrainian: кре́мній (krémnij) — non-metallic element
  • Uyghur: كرىمنىي (krimniy) — non-metallic element
  • Uyghur: سىلىتسىي (silitsiy) — non-metallic element
  • Uzbek: kremniy — non-metallic element
  • Vietnamese: silic — non-metallic element
  • Welsh: silicon — non-metallic element
  • Welsh: callestrai — non-metallic element
  • Yiddish: סיליציום (silitsyum) — non-metallic element
  • Yiddish: סיליקאָן (silikon) — non-metallic element
Real reading context

silicon in complete knowledge articles