trimethylpentane

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|organic compound}} Any of several [[isomer]]s of [[octane]] having three [[methyl]] groups attached to a [[pentane]] chain; especially [[isooctane]], used as a standard for [[octane number]]

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.