BIRR
\bˈɜː], \bˈɜː], \b_ˈɜː]\
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make a soft swishing sound, as of a motor working or wings flapping
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sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers"
By DataStellar Co., Ltd
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sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers"
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make a soft swishing sound; "the motor whirred"; "the car engine purred"
By Princeton University
Word of the day
tinctura quininae ammoniata
- A preparation made by dissolving quinin sulphate in alcohol [Br. Ph.].