名词困倦; 不活跃; 冷淡; 漠不关心

1. 呵欠：oscillometry示波测量法 | oscitancy呵欠 | OseretskyTestsofMotorProficiency奥氏运动能力测验

2. 冷淡：oscine /鸣禽类的/鸣禽类的鸟/ | oscitancy /冷淡/ | osculant /密接的/接吻的/中间型的/

noun

1. an involuntary intake of breath through a wide open mouth
usually triggered by fatigue or boredom

e.g. he could not suppress a yawn
the yawning in the audience told him it was time to stop
he apologized for his oscitancy

Synonym: yawnyawningoscitance

2. drowsiness and dullness manifested by yawning

Synonym: oscitance