Standard Lemma guide

psammoma

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

noun

Meaning 1

A brain tumour containing concretions resembling grains of sand

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: sand tumor

Antonyms: none provided

Broader terms: tumor, tumour, neoplasm

History

Etymology

From psammo- + -oma.

Across languages

Translations

1 source translations are retained for this English entry.

  • Spanish: psamoma — brain tumor