cnoidal

Not valid in Scrabble

It's a recognised English word, but it isn't in the official NASPA Scrabble word list.

Scrabble points
10
Words With Friends
13
Letters
7
Pronunciation
/ˈknɔɪd(ə)l/
See all 2 pronunciations
/ˈknɔɪd(ə)l/ · /ˈnɔɪd(ə)l/

Definition of cnoidal

1 sense · 1 part of speech · etymology included

adj

  1. (not-comparable)Describes a travelling wave whose amplitude is constricted; e.g. a wave in shallow water.

Definitions from Wiktionary, CC BY-SA.

Etymology

Coined by Diederik Korteweg and Gustav de Vries in their paper in Philosophical Magazine (1895, series 5, vol. 39, pp. 422-443) to describe a class of solutions to the KdV…

See full etymology

Coined by Diederik Korteweg and Gustav de Vries in their paper in Philosophical Magazine (1895, series 5, vol. 39, pp. 422-443) to describe a class of solutions to the KdV equation which involve a Jacobi elliptic function. The Jacobi elliptic function involved is commonly written as cn(x|m), and the term cnoidal was designed to be analogous to sinusoidal, the word describing waves which involve the sine function.

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