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BNC: 37926 COCA: 24337

dilation

noun
/daɪˈleɪʃn/
/daɪˈleɪʃn/
[uncountable, countable]
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  1. the fact of a part of the body becoming or being made larger, wider or more open擴張：身體的一部分變得或變得更大，更寬或更開放
    • The doctor checked his eyes but there was no abnormal pupil dilation.醫生檢查了他的眼睛，但沒有異常的瞳孔放大。
    opposite contraction (1)
BNC: 37926 COCA: 24337
BNC: 37926 COCA: 24337
BNC: 37926 COCA: 24337

See also: dilate

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