semiellipse

[ sem-ee-i-lips, sem-ahy- ]
/ ˌsɛm i ɪˈlɪps, ˌsɛm aɪ- /

noun Geometry.

a half ellipse, usually one containing both ends of the major axis.

Nearby words

  1. semidomesticated,
  2. semidominance,
  3. semidouble,
  4. semidry,
  5. semidurables,
  6. semielliptical,
  7. semievergreen,
  8. semifinal,
  9. semifinalist,
  10. semifinished

Origin of semiellipse

First recorded in 1725–35; semi- + ellipse

Related formssem·i·el·lip·tic [sem-ee-i-lip-tik, sem-ahy-] /ˌsɛm i ɪˈlɪp tɪk, ˌsɛm aɪ-/, sem·i·el·lip·ti·cal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019