Standard Lemma guide

isidium

noun · 1 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 vegetative reproductive structure present in some lichens; an outgrowth of the thallus surface, usually with a columnar structure, and consisting of both fungal hyphae and algal cells.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, lichenology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

According to OED, from a genus name Isidium (Acharius 1798), itself from the goddess Isis.

Across languages

Translations

1 source translations are retained for this English entry.

  • Dutch: isidium — reproductive structure