单词 | cardioid |
释义 | cardioid/ˈkɑːdɪɔɪd /noun Mathematics 1A heart-shaped curve traced by a point on the circumference of a circle as it rolls around another identical circle.M is the point of the moving circle that traces the cardioid....
1.1 (also cardioid microphone) A directional microphone with a heart-shaped pattern of sensitivity.These microphones are invariably cardioid microphones, meaning that the shape of the sound sensitive field around the mike is in the shape of a heart, essentially picking up sound in both forward and side directions....
adjective Of the shape of a cardioid.A similar procedure can be used for the intersection points on the cardioid shape and the outer green fringes....
OriginMid 18th century: from Greek kardioeidēs 'heart-shaped', from kardia 'heart' + eidos 'form'. |
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