transcription, транскрипция: [ pə-ˈra-bə-lə ]
noun
Etymology: New Latin, from Greek parabolē, literally, comparison
Date: 1579
1. : a plane curve generated by a point moving so that its distance from a fixed point is equal to its distance from a fixed line : the intersection of a right circular cone with a plane parallel to an element of the cone
2. : something bowl-shaped (as an antenna or microphone reflector)
[
parabola 1: F fixed point; CD fixed line; x moving point; AB axis; xy distance from x to CD; pp′ parabola
]