closest point of approach (English, noun)
expansion: closest point of approach (plural closest points of approach)
Senses:
topics: nautical
transport
qualifier: navigation
glosses: An estimated point in which the distance between two objects, of which at least one is in motion, will reach its minimum value; abbreviated CPA. The estimate is used to evaluate the risk of a collision of e.g. two ships.
Forms:
form: closest points of approach
tags: plural