silicone

S1I1L1I1C3O1N1E1
/ˈsɪlɪkəʊn/

noun

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.

“silicone the bathtub to the tile”

Similar
silicone polymer
CommonScrabble 10

Meanings

nounsilicone (countable and uncountable, plural silicones)

plural silicones

  1. countableuncountablechemistryAny 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.

    [H]e had little time or respect for the rich skip bitches who were his neighbours, useless fake-tanned women with plastic smiles and silicone tits who spent their husbands' money on afternoon teas, endless shopping and personal trainers.

    2008, Christos Tsiolkas, The Slap, London: Atlantic Books, page 93
verbsilicone (third-person singular simple present silicones, present participle siliconing, simple past and past participle siliconed)

present singular third person silicones · participle present siliconing · participle past siliconed · past siliconed

  1. transitiveTo join or treat (something) with a silicone-based product.

    silicone the bathtub to the tile

    1 more example

    Structural glazing or siliconing of window units is, according to Donald F. Kelly, Jr., president of AMPAT, the bonding of glass to a metal frame.

    1984, United States National Labor Relations Board, Decisions and Orders of the National Labor Relations Board, page 963
  2. informaltransitiveTo enhance or reconstruct (a body part) with a prosthesis containing silicone.

    The next girl, with huge, perfectly spherical, siliconed breasts perched high on her slender chest, got the loudest roar. ‘Oh, there are two things I like about her!’ shouted the DJ. ‘How about you, boys?’

    2011, Natasha Walter, Living Dolls: The Return of Sexism, page 27
adjectivesilicone (not comparable)
  1. not comparableslangHaving had cosmetic surgery, especially breast enlargement.

    Besides, the bevy of silicone beauties surrounding him would have been difficult, not to mention ego-crushing, to wade through.

    2006 09, Anne Thomas Soffee, Nerd Girl Rocks Paradise City: A True Story of Faking It in Hair Metal L. A., Chicago Review Press, →ISBN, page 125
    2 more examples

    They want to see men covered in sweat, lying in bed with some unknown, blank, silicone actresses — they want sculpted bodies, they don't give a shit about performance.

    2009, Ignácio de Loyola Brandão, Anonymous Celebrity, Dalkey Archive Press, →ISBN, page 152

    Nowadays it is a cliché to associate silicone women with narco aesthetics, overdrawn Pamela Anderson clones popularized by telenovelas.

    2020 March 18, Aldona Bialowas Pobutsky, Pablo Escobar and Colombian Narcoculture, University Press of Florida, →ISBN, page 58

Synonyms & antonyms

nounany 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

Similar
silicone polymer

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From silicon + -one. Originally obtained by the attempted synthesis of the silicon equivalent of a ketone.

Full word history & related roots →

Translations

Bulgarian силикон
  • силикон (silikon)any of a class of inert compounds of silicon
Catalan silicona
  • siliconaany of a class of inert compounds of silicon
Chinese Mandarin 硅氧樹脂 /硅氧树脂, 矽氧樹脂 /矽氧树脂
  • 硅氧樹脂 /硅氧树脂 (guīyǎng shùzhī)any of a class of inert compounds of silicon
  • 矽氧樹脂 /矽氧树脂 (xīyǎng shùzhī)any of a class of inert compounds of silicon
  • 硅酮 (guītóng)any of a class of inert compounds of silicon
  • 矽酮 (xītóng)any of a class of inert compounds of silicon
Czech silikon
  • silikonany of a class of inert compounds of silicon
Danish silikone
  • silikoneany of a class of inert compounds of silicon
Dutch silicone
  • siliconeany of a class of inert compounds of silicon
Finnish silikoni
  • silikoniany of a class of inert compounds of silicon
French silicone
  • siliconeany of a class of inert compounds of silicon
German Silikon
  • Silikonany of a class of inert compounds of silicon
Hungarian szilikon
  • szilikonany of a class of inert compounds of silicon
Irish sileacón
  • sileacónany of a class of inert compounds of silicon
Italian silicone
  • siliconeany of a class of inert compounds of silicon
Japanese シリコーン
  • シリコーン (shirikōn)any of a class of inert compounds of silicon
Korean 실리콘
  • 실리콘 (sillikon)any of a class of inert compounds of silicon
Norwegian Bokmål silikon
  • silikonany of a class of inert compounds of silicon
Polish silikon, sylikon
  • silikonany of a class of inert compounds of silicon
  • sylikonany of a class of inert compounds of silicon
Portuguese silicone
  • siliconeany of a class of inert compounds of silicon
Romanian silicon
  • siliconany of a class of inert compounds of silicon
Russian силикон
  • силикон (silikon)any of a class of inert compounds of silicon
Spanish silicona
  • siliconaany of a class of inert compounds of silicon
Swedish silikon
  • silikonany of a class of inert compounds of silicon
Tamil மண்ணியப்படியம்
  • மண்ணியப்படியம்any of a class of inert compounds of silicon
Turkish silikon
  • silikonany of a class of inert compounds of silicon

Rhymes & wordplay

Anagrams

Cite this entry
APA

silicone. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/silicone

MLA

“silicone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/silicone. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “silicone,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/silicone.

Source: silicone on Wiktionary, CC BY-SA 4.0.