noun🔗ShareA state of unconsciousness from which one may not wake up, usually induced by some form of trauma."After the car accident, Maria was in a coma for two weeks. "medicinediseasebodyconditionphysiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA cloud of dust surrounding the nucleus of a comet."The comet's coma was visible through the telescope, a hazy cloud of dust around its icy nucleus. "astronomyspaceChat with AIVocabulary GamePractice Reading
noun🔗ShareA defect characterized by diffuse, pear-shaped images that in an ideal image would appear as points."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. "medicinephysiologydiseaseanatomybodyscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA 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."The milkweed seed floated on the wind, carried by its fluffy coma. "plantnatureChat with AIVocabulary GamePractice Reading
