noun Download 🔗Share A state of unconsciousness from which one may not wake up, usually induced by some form of trauma. Examples : "After the car accident, Maria was in a coma for two weeks. " medicine disease body condition physiology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A cloud of dust surrounding the nucleus of a comet. Examples : "The comet's coma was visible through the telescope, a hazy cloud of dust around its icy nucleus. " astronomy space Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A defect characterized by diffuse, pear-shaped images that in an ideal image would appear as points. Examples : "The old telescope suffered from severe coma, making stars near the edge of the field of view appear as blurry, comet-like streaks instead of sharp points. " medicine physiology disease anatomy body science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A tuft or bunch, such as the assemblage of branches forming the head of a tree, a cluster of bracts when empty and terminating the inflorescence of a plant, or a tuft of long hairs on certain seeds. Examples : "The milkweed seed floated on the wind, carried by its fluffy coma. " plant nature Chat with AIVocabulary GamePractice Reading