principal plane

noun

: either of the two planes perpendicular to the principal axis and passing through one of the two principal points of an optical system

Dictionary Entries Near principal plane

principal axis

principal plane

principal point

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“Principal plane.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/principal%20plane. Accessed 25 Mar. 2023.

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