Meaning

noun a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis

originEtymology tree English parabola Ancient Greek -ο- (-o-)der. Latin -o- Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Latin -oīdēslbor. English -oid English paraboloid From parabola + -oid.

Etymology from Wiktionary, CC BY-SA 3.0