a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are ellipses, while its sections parallel to the other two coordinate planes are parabolas.
noun 1. a spring formed from two leaf springs having their convex sides outward.
elliptocyte el·lip·to·cyte (ĭ-lĭp’tə-sīt’) n. An elliptical erythrocyte. Also called ovalocyte.
[ih-lip-tuh-graf, -grahf] /ɪˈlɪp təˌgræf, -ˌgrɑf/ noun 1. .
elliptocytosis el·lip·to·cy·to·sis (ĭ-lip’tō-sī-tō’sĭs) n. A relatively rare hereditary abnormality of red blood cells in which more than half of the cells are rod forms and elliptocytes. It is often associated with hemolytic anemia. Also called ovalocytosis.