- orthotropous ovule
- nouna completely straight ovule with the micropyle at the apex• Hypernyms: ↑ovule
Useful english dictionary. 2012.
orthotropous ovule
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orthotropous — [ôr thä′trə pəs] adj. [ ORTHO + TROPOUS] Bot. growing straight: said of an ovule with its hilum and micropyle in a straight line … English World dictionary
ovule — [äv′yo͞ol΄, ō′vyo͞ol΄] n. [Fr < ModL ovulum, dim. < L ovum,EGG1] a small egg or seed, esp. one in an early stage of development; specif., a) Bot. a structure in seed plants consisting of a nucellus that contains an embryo sac: it develops… … English World dictionary
ovule — /ov yoohl, oh vyoohl/, n. 1. Bot. a. a rudimentary seed. b. the plant part that contains the embryo sac and hence the female germ cell, which after fertilization develops into a seed. 2. Biol. a small egg. [1820 30; < L ovulum little egg. See… … Universalium
Orthotropous — Orthotropal Or*thot ro*pal, Orthotropous Or*thot ro*pous, a. [Ortho + Gr. ? to turn: cf. F. orthotrope.] (Bot.) Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous. [1913 Webster] Note … The Collaborative International Dictionary of English
orthotropous — adjective Etymology: International Scientific Vocabulary Date: 1830 having the ovule straight and upright with the micropyle at the apex … New Collegiate Dictionary
orthotropous — /awr tho treuh peuhs/, adj. Bot. (of an ovule) straight and symmetrical, with the chalaza at the evident base and the micropyle at the opposite extremity. [1820 30; < NL orthotropus. See ORTHO , TROPOUS] * * * … Universalium
orthotropous — or•thot•ro•pous [[t]ɔrˈθɒ trə pəs[/t]] adj. bot (of an ovule) straight and symmetrical, with the chalaza at the evident base and the micropyle at the opposite extremity • Etymology: 1820–30; < NL orthotropus … From formal English to slang
orthotropous — /ɔˈθɒtrəpəs/ (say aw thotruhpuhs) adjective (of an ovule) straight and symmetrical, with the chalaza at the evident base and the micropyle at the opposite extremity …
orthotropous — adjective (of a plant ovule) completely straight with the micropyle at the apex • Ant: ↑campylotropous • Topics: ↑plant, ↑flora, ↑plant life … Useful english dictionary
lycotropal — lycotropal, a. Bot. (laɪˈkɒtrəpəl) [f. Gr. λύκο ς ‘anything in the form of a hook’ (L. & Sc.) + τροπ ος turning + al1.] The term applied to an orthotropous ovule, curved downward in the form of a horse shoe (Treas. Bot. 1866) … Useful english dictionary
