Platelet

//ˈpleɪt.lət// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A small colorless disk-shaped particle found in the blood of mammals, which plays an important role in the formation of blood clots.
2
tiny bits of protoplasm found in vertebrate blood; essential for blood clotting wordnet

Synonyms

blood platelet thrombocyte blood platelet thrombocyte

Etymology

From plate + -let.

Related phrases

Harris platelet syndrome giant platelet disorder gray platelet syndrome grey platelet syndrome platelet function test sticky platelet syndrome blood clot

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