Standard Lemma guide

decamethylcyclopentasiloxane

noun · 1 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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  • UK: /dɛkəˌmiːθaɪlsaɪkləʊpɛntəsaɪˈlɒkseɪn/

1

noun

Meaning 1

A clear, lightweight liquid used in cosmetics and personal care products. It spreads easily, helps give a smooth, silky feel to skin and hair, and evaporates quickly without leaving much residue.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From deca- + methyl- + cyclo- + pentasiloxane