Ooid

//ˈoʊˌɔɪd// adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A small calcium carbonate or iron coated grain found on the seafloor.
Adjective
  1. 1
    Shaped like an egg; ovoid; ovate.

    "One thinks of everything from amphitheaters like the Colosseum to Buckminster Fuller in his more ooid modes"

Synonyms

All synonyms
ooidalooidalooliteooliteoolithoolith

Example

More examples

"One thinks of everything from amphitheaters like the Colosseum to Buckminster Fuller in his more ooid modes"

Etymology

From oo- (“egg”) + -id.

Related phrases

calcium carbonate

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.