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cosine law

noun

Definition of cosine law

: either of two laws of radiation:
a : the radiant flux emitted in a given direction from a given small area of a perfectly diffusing surface varies as the cosine of the angle of emission
b : the irradiation by parallel rays falling on a surface varies as the cosine of the angle of incidence

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Dictionary Entries near cosine law

cosinage

cosine

cosine curve

cosine law

cosiness

cosing

cos lettuce

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