Phrase guide

Wallace Line

name · 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

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No pronunciation record was provided for this word.

1

name

Meaning 1

A faunal boundary line that separates the ecozones of Asia and Wallacea, a transitional zone between Asia and Australia.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Wallace's Line

Antonyms: none provided

2

noun

Meaning 2

Synonym of Simson line.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Simson line

Antonyms: none provided

History

Etymology

From Wallace + line. Named after Alfred Russel Wallace, who noticed this clear division during his travels through the East Indies in the 19th century.

Named after William Wallace, who published the concept in 1799.

Across languages

Translations

2 source translations are retained for this English entry.

  • Chinese Mandarin: 華萊士線 /华莱士线 (huáláishì xiàn) — line that separates the ecozones of Asia and Wallacea
  • Portuguese: linha de Wallace — line that separates the ecozones of Asia and Wallacea