Word.ws English Dictionary

trimethylpentane

trimethylpentane noun: any of several isomers of octane having three methyl groups attached to a pentane chain; especially isooctane, used as a standard for octane number.

Noun

trimethylpentane (plural trimethylpentanes)

  1. Any of several isomers of octane having three methyl groups attached to a pentane chain; especially isooctane, used as a standard for octane number

Forms of trimethylpentane

pluraltrimethylpentanes

Origin of trimethylpentane

From trimethyl + pentane.

Questions about trimethylpentane

What does trimethylpentane mean?
Trimethylpentane means any of several isomers of octane having three methyl groups attached to a pentane chain; especially isooctane, used as a standard for octane number.
What part of speech is trimethylpentane?
Trimethylpentane is a noun.
What is the plural of trimethylpentane?
The plural of trimethylpentane is trimethylpentanes.

Words near trimethylpentane in the dictionary

  1. trimethyllysine
  2. trimethylmethane
  3. trimethylmethanes
  4. trimethylolethane
  5. trimethylolpropane
  6. trimethylpentane
  7. trimethylpentanes
  8. trimethylphenanthrene
  9. trimethylphenanthrenes
  10. trimethylphenol
  11. trimethylphenols

Source and license

Adapted from Wiktionary: trimethylpentane (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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