Standard Lemma guide

dimethyl

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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Received-Pronunciation: /daɪˈmiː.θɪl/
Received-Pronunciation: /daɪˈmɛθ.ɪl/
Southern-England: Recorded audio is listed in the source snapshot.
General-American: /daɪˈmɛ.θəl/
rhymes with -ɛθɪl
rhymes with -iːθɪl

noun

Meaning 1

Two methyl groups in a molecule.

Definition source: English Wiktionary via Wiktextract

Usage: in-compounds, 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

Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwi- Proto-Hellenic *dwi- Ancient Greek δῐ- (dĭ-)bor. Latin di-bor. English di- Proto-Indo-European *médhu Proto-Hellenic *méthu Ancient Greek μέθυ (méthu) Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Methylbor. English methyl English dimethyl From di- + methyl.

Word forms

Inflections and variants

No separate word forms were provided.

Word family

Derived and related words

Derived: acryloyldimethyltaurate, aditoprim, benzyldimethylhexadecylammonium, butyldimethylsilyl, chlorodimethylsilane, deprenyl, dimemorfan, dimenhydrinate, dimetacrine, dimethisterone, dimethyl acetylenedicarboxylate, dimethylallyl, dimethylarginine, dimethylbenzylamine, dimethyl butynedioate, dimethyl carbonate, dimethylchlorosilane, dimethyl dicarbonate, dimethyldichlorosilane, dimethyl disulfane, dimethyldisulfide, dimethyldisulphide, dimethyl ether, dimethylfuran, dimethylimidazole, dimethyl ketone, dimethyllysine, dimethylmalonate, dimethylnitrosamine, dimethyl polysiloxane, dimethylpyridine, dimethyl selenide, dimethylserotonin, dimethylsiloxane, dimethylsilyl, dimethyl sulfate, dimethyl sulfide, dimethyl sulfone, dimethyl sulfoxide, dimethyl sulphoxide, dimethyl telluride, dimethyl terephthalate, dimethyltryptamine, dimethyltubocurarinium, dimethylurea, dimetridazole, doxylamine, nitrosodimethylamine, ormeloxifene

Related: none provided

Semantic map

Other relationships

Sources

Where this information comes from

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