noun · 3 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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/ˈsiːlənt/
Recorded audio is listed in the source snapshot.
CMU ARPABET:S IY1 L AH0 N T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Any material used to seal a surface so as to prevent passage of a fluid.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A mixture of polymers, fillers, and pigments used to fill and seal joints where moderate movement is expected.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: business, construction, manufacturing
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: sealer
Antonyms: none provided
Broader terms: sealing material
Narrower terms: caulk, caulking
History
Etymology
Etymology tree Proto-Indo-European *sek- Proto-Indo-European *-nóm Proto-Italic *seknom Latin signum Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -lum Latin sigillum Anglo-Norman seelbor. Middle English sel English seal Proto-Indo-European *-onts Latin -ns Latin -āns Old French -antbor. Proto-Indo-European *-onts Proto-Germanic *-ndz Proto-West Germanic *-andī Old English -ende Middle English -ant English -ant English sealant From seal + -ant.
Across languages
Translations
14 source translations are retained for this English entry.
Armenian:
հերմետիկ
(hermetik)
— material used to seal a surface so as to prevent passage of a fluid
Bulgarian:
уплътнение
(uplǎtnenie)
— material used to seal a surface so as to prevent passage of a fluid
Bulgarian:
изолация
(izolacija)
— material used to seal a surface so as to prevent passage of a fluid
Dutch:
kit
— material used to seal a surface so as to prevent passage of a fluid
Finnish:
tiivistysaine
— material used to seal a surface so as to prevent passage of a fluid
Finnish:
tiiviste
— material used to seal a surface so as to prevent passage of a fluid
French:
enduit étanche
— material used to seal a surface so as to prevent passage of a fluid
German:
Dichtungsmittel
— material used to seal a surface so as to prevent passage of a fluid
German:
Dichtstoff
— material used to seal a surface so as to prevent passage of a fluid
Italian:
sigillante
— material used to seal a surface so as to prevent passage of a fluid
Māori:
herepuru
— material used to seal a surface so as to prevent passage of a fluid
Polish:
szczeliwo
— material used to seal a surface so as to prevent passage of a fluid
Russian:
герме́тик
(germétik)
— material used to seal a surface so as to prevent passage of a fluid
Ukrainian:
герме́тик
(hermétyk)
— material used to seal a surface so as to prevent passage of a fluid