exomethylene

E1X8O1M3E1T1H4Y4L1E1N1E1

noun

A methylene group attached by a double bond to the outside of a ring

Scrabble 27
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounexomethylene (plural exomethylenes)

plural exomethylenes

  1. chemistryA methylene group attached by a double bond to the outside of a ring

    Furthermore, the 1 H NMR spectrum of 1 also exhibited the presence of a 2″-isopropenyl dihydrofuran ring—a methyl group singlet signal at δ H 1.72 (3H, s, H-5″) and two broad singlets for an exomethylene group signal at δ H 4.82 (1H, s, Ha-4″) and 5.03 (1H, s, Hb-4″).

    2015 August 19, “Isoflavonoids from Crotalaria albida Inhibit Adipocyte Differentiation and Lipid Accumulation in 3T3-L1 Cells via Suppression of PPAR-γ Pathway”, in PLOS ONE, →DOI

Origin

From exo- + methylene.

Full word history & related roots →
Cite this entry
APA

exomethylene. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/exomethylene

MLA

“exomethylene.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/exomethylene. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “exomethylene,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/exomethylene.

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