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

Cite this Entry

“Principal plane.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/principal%20plane. Accessed 31 Oct. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!