Standard Lemma guide

isopropanol

noun · 2 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

The aliphatic alcohol 2-propanol; isopropyl alcohol

Definition source: English Wiktionary via Wiktextract

Usage: countable, 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

2

noun

Meaning 2

alcohol used as antifreeze or a solvent

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: isopropyl alcohol

Antonyms: none provided

Broader terms: alcohol

History

Etymology

Etymology tree Ancient Greek ῐ̓́σος (ĭ́sos)lbor. English iso- English propanol English isopropanol From iso- + propanol.