angle of incidence

noun phrase

: the angle that a line (such as a ray of light) falling on a surface or interface makes with the normal drawn at the point of incidence

Word History

First Known Use

1626, in the meaning defined above

Time Traveler
The first known use of angle of incidence was in 1626

Dictionary Entries Near angle of incidence

Cite this Entry

“Angle of incidence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/angle%20of%20incidence. Accessed 19 Mar. 2024.

Kids Definition

angle of incidence

: the angle that a ray meeting a surface makes with a perpendicular to the surface at the point of contact

Medical Definition

angle of incidence

noun
: the angle that a line (as a ray of light) falling on a surface or interface makes with the normal drawn at the point of incidence

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