adj · noun · verb · 5 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
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/ˈsɪlɪkəʊn/
Southern-England:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:S IH1 L AH0 K OW2 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Having had cosmetic surgery, especially breast enlargement.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable, slang
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Any of a class of inert, semi-inorganic polymeric compounds (polysiloxanes), that have a wide range of thermal stability and extreme water repellence, used in a very wide range of industrial applications, and in prosthetic replacements for body parts.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To join or treat (something) with a silicone-based product.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Examples
silicone the bathtub to the tile
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To enhance or reconstruct (a body part) with a prosthesis containing silicone.
Definition source: English Wiktionary via Wiktextract
Usage: informal, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
any of a large class of siloxanes that are unusually stable over a wide range of temperatures; used in lubricants and adhesives and coatings and synthetic rubber and electrical insulation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: silicone polymer
Antonyms: none provided
Broader terms: polymer, siloxane
Narrower terms: bouncing putty
History
Etymology
From silicon + -one. Originally obtained by the attempted synthesis of the silicon equivalent of a ketone.
Across languages
Translations
28 source translations are retained for this English entry.
Bulgarian:
силикон
(silikon)
— any of a class of inert compounds of silicon
Catalan:
silicona
— any of a class of inert compounds of silicon
Chinese Mandarin:
硅氧樹脂 /硅氧树脂
(guīyǎng shùzhī)
— any of a class of inert compounds of silicon
Chinese Mandarin:
矽氧樹脂 /矽氧树脂
(xīyǎng shùzhī)
— any of a class of inert compounds of silicon
Chinese Mandarin:
硅酮
(guītóng)
— any of a class of inert compounds of silicon
Chinese Mandarin:
矽酮
(xītóng)
— any of a class of inert compounds of silicon
Czech:
silikon
— any of a class of inert compounds of silicon
Danish:
silikone
— any of a class of inert compounds of silicon
Dutch:
silicone
— any of a class of inert compounds of silicon
Finnish:
silikoni
— any of a class of inert compounds of silicon
French:
silicone
— any of a class of inert compounds of silicon
German:
Silikon
— any of a class of inert compounds of silicon
Hungarian:
szilikon
— any of a class of inert compounds of silicon
Irish:
sileacón
— any of a class of inert compounds of silicon
Italian:
silicone
— any of a class of inert compounds of silicon
Japanese:
シリコーン
(shirikōn)
— any of a class of inert compounds of silicon
Korean:
실리콘
(sillikon)
— any of a class of inert compounds of silicon
Norwegian Bokmål:
silikon
— any of a class of inert compounds of silicon
Norwegian Nynorsk:
silikon
— any of a class of inert compounds of silicon
Polish:
silikon
— any of a class of inert compounds of silicon
Polish:
sylikon
— any of a class of inert compounds of silicon
Portuguese:
silicone
— any of a class of inert compounds of silicon
Romanian:
silicon
— any of a class of inert compounds of silicon
Russian:
силикон
(silikon)
— any of a class of inert compounds of silicon
Spanish:
silicona
— any of a class of inert compounds of silicon
Swedish:
silikon
— any of a class of inert compounds of silicon
Tamil:
மண்ணியப்படியம்
— any of a class of inert compounds of silicon
Turkish:
silikon
— any of a class of inert compounds of silicon