noun🔗Share夜行性動物A person or creature that is active at night."The nocturnal is a time when many animals are most active. "夜行性動物が最も活発になる時間です。animalpersonnatureorganismbiologyChat with AIVocabulary GamePractice Reading
noun🔗Share夜間時計A device for telling the time at night, rather like a sundial but read according to the stars."The astronomer used the nocturnal to determine the exact time of the night for his stargazing project. "天文学者は星空観察プロジェクトのために、夜間の正確な時間を決定するために夜間時計を使用した。astronomydevicetimeChat with AIVocabulary GamePractice Reading
adjective🔗Share夜行性の(of a person, creature, group, or species) Primarily active during the night."nocturnal birds"夜行性の鳥animalbiologynatureenvironmentorganismChat with AIVocabulary GamePractice Reading
adjective🔗Share夜間の, 夜行性の(of an occurrence) Taking place at night, nightly."a suspicious nocturnal outing"不審な夜間の外出timenatureanimalbiologyenvironmentChat with AIVocabulary GamePractice Reading