Standard Lemma guide

guaiac

noun · 5 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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1

noun

Meaning 1

A paper treated with alpha-guaiaconic acid, used in tests to detect blood in the faeces.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Guaiacum (tree, wood or resin of the guaiacum tree)

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Guaiacol.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Oil of guaiac, a fragrance ingredient used in soap and perfumery distilled from the palo santo tree.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: lignum vitae, guaiacum

Antonyms: none provided

Broader terms: wood

History

Etymology

No etymology was provided for this word.