spectrogram

American  

[spek-truh-gram] / ˈspɛk trəˌgræm /

noun

1. a representation or photograph of a spectrum.

2. sound spectrogram.

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Etymology

Origin of spectrogram

First recorded in 1890–95; spectro- + -gram ¹

Example Sentences

Spectrogram images of water bear this out with Rothko-like washes of color — no jagged peaks or intensely blurred lines but rather a soothing canvas.

From Washington Post

Spectrogram colors were chosen for artistic purposes and to better visualize the sound qualities in each image.

From Washington Post