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Word of the Day Wednesday, June 10, 2026

cardioid

/kɑːrdiɔɪd/ noun · British & US
Valid in UKValid in US
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What does cardioid mean?

noun

A heart-shaped or teardrop-shaped curve, especially one formed by the path of a point on a circle as it rotates around a fixed point. In audio engineering, a cardioid microphone pickup pattern is shaped like a heart and is often used to capture sound from one direction while rejecting sound from other directions.

Example

"The engineer used a cardioid microphone to capture the sound of the soloist in the orchestra."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for cardioid

Antonyms of cardioid

Rhymes with cardioid

Etymologically related