Standard Lemma guide

megaspore

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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1

noun

Meaning 1

The larger spore of a heterosporous plant, typically producing a female gametophyte

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: macrospore

Antonyms: none provided

Broader terms: spore

History

Etymology

Etymology tree Proto-Indo-European *méǵh2s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- English spore English megaspore From mega- + spore.

Across languages

Translations

4 source translations are retained for this English entry.

  • Finnish: isoitiö — botany: larger of the spores of a heterosporous plant
  • Finnish: megaspori — botany: larger of the spores of a heterosporous plant
  • Romanian: megaspor — botany: larger of the spores of a heterosporous plant
  • Romanian: macrospor — botany: larger of the spores of a heterosporous plant