noun🔗Share昏睡A 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. "自動車事故の後、マリアは2週間昏睡状態でした。medicinediseasebodyconditionphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share彗星のコマA 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. "彗星のコマは望遠鏡を通して見え、氷の核の周りのぼやけた塵の雲でした。astronomyspaceChat with AIVocabulary GamePractice Reading
noun🔗Shareコマ収差A 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. "古い望遠鏡は深刻なコマ収差に悩まされ、視野の端近くの星が鮮明な点ではなく、ぼやけた彗星のような筋として現れました。medicinephysiologydiseaseanatomybodyscienceChat with AIVocabulary GamePractice Reading
noun🔗Share房, 束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."The milkweed seed floated on the wind, carried by its fluffy coma. "ヤナギトウワタの種は、そのふわふわの房に運ばれて風に乗って漂いました。plantnatureChat with AIVocabulary GamePractice Reading
