Orthoptera, or-thop′tėr-a, n. an order of insects with wing-covers, that overlap at the top when shut, under which are the true wings, which fold lengthwise like a fan.—ns. Orthop′ter, Orthop′teran, an insect of the order orthoptera; Orthopterol′ogy.—adj. Orthop′terous, pertaining to the orthoptera. [Gr. orthos, straight, ptera, pl. of pteron, wing.]
Orthoscopic, or-thō-skop′ik, adj. seeing correctly: appearing normal to the eye. [Gr. orthos, straight, skopein, to see.]
Orthostyle, or′thō-stīl, n. (archit.) an arrangement of columns or pillars in a straight line. [Gr. orthos, straight, stylos, a column.]
Orthotonic, or-thō-ton′ik, adj. retaining an accent in certain positions, but not in others—also Or′thotone.—n. Orthotonē′sis, accentuation of a proclitic or enclitic—opp. to Enclisis. [Gr. orthos, straight, tonos, accent.]
Orthotropism, or-thot′rō-pizm, n. vertical growth in plants.—adjs. Orthot′ropal, Orthotrop′ic, Orthot′ropous. [Gr. orthos, straight, trepein, to turn.]
Orthotypous, or′thō-tī-pus, adj. in mineralogy, having a perpendicular cleavage.
Orthros, or′thros, n. one of the Greek canonical hours, corresponding to the Western lauds. [Gr. orthros, dawn.]
Ortive, or′tiv, adj. rising: eastern.
Ortolan, or′tō-lan, n. a kind of bunting, common in Europe, and considered a great table delicacy. [Fr.,—It. ortolano—L. hortulanus, belonging to gardens—hortulus, dim. of hortus, a garden.]
Orvietan, or-vi-ē′tan, n. a supposed antidote or counter-poison.—n. Orviē′to, an esteemed still white wine.