coma B2 Topic:Health & Medicine US /ˈkoʊmə/ UK /ˈkəʊmə/ See IPA manual Freq #4581 Meanings 1 noun A deep, prolonged state of unconsciousness, usually caused by serious injury or illness. After the accident, she was in a coma for three weeks. 2 noun The cloud of dust and gas surrounding the centre of a comet. The comet's bright coma was visible even in daylight. Thesaurus Synonyms 1 noun · a deep, prolonged state of... comatoseness Word family Forms comaecomas Etymology AI details Learned borrowing from Latin coma (“hair of the head”), from Ancient Greek κόμη (kómē, “hair”). coma Latin κόμη Ancient Greek View etymology graph -> Topics Health & Medicine External links Cambridge Dictionary Wiktionary Google Images # coma **Type:** Word **Level:** B2 **Part of speech:** noun **IPA (US):** /ˈkoʊmə/ **IPA (UK):** /ˈkəʊmə/ **Frequency rank:** 4581 ## Meanings 1. A deep, prolonged state of unconsciousness, usually caused by serious injury or illness. 2. The cloud of dust and gas surrounding the centre of a comet. ## Examples - After the accident, she was in a coma for three weeks. - The comet's bright coma was visible even in daylight. ## Roots and Affixes - Root: coma - Root: κόμη ## Etymology Learned borrowing from Latin coma (“hair of the head”), from Ancient Greek κόμη (kómē, “hair”). ## AI Etymology coma is a noun. It is a learned borrowing from Latin coma (“hair of the head”), from Ancient Greek κόμη (kómē, “hair”). Historical forms in the chain include coma (Latin) and κόμη (Ancient Greek). Current senses include a deep, prolonged state of unconsciousness, usually caused by serious injury or illness and the cloud of dust and gas surrounding the centre of a comet. ## Topics - Health & Medicine markdown