Orthotropism
[awr-tho-truh-piz-uh m] /ɔrˈθɒ trəˌpɪz əm/
noun
1.
Botany. orthotropic tendency or growth.
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[awr-tho-truh-puh s] /ɔrˈθɒ trə pəs/ adjective 1. Botany. (of an ovule) straight and symmetrical, with the chalaza at the evident base and the micropyle at the opposite extremity. /ɔːˈθɒtrəpəs/ adjective 1. (of a plant ovule) growing straight during development so that the micropyle is at the apex Compare anatropous
- Ortho-xylene
[awr-thoh-zahy-leen] /ˌɔr θoʊˈzaɪ lin/ noun 1. Chemistry. a clear, colorless, poisonous, flammable liquid, C 8 H 10 , the ortho isomer of xylene: used chiefly in the synthesis of phthalic anhydride.
- Orthros
[awr-thraws; English awr-thros] /ˈɔr θrɔs; English ˈɔr θrɒs/ noun 1. Greek Orthodox Church. the morning office, corresponding to matins.
- Ortles
/Italian ˈɔrtles/ plural noun 1. a range of the Alps in N Italy. Highest peak: 3899 m (12 792 ft) Also called Ortler (ˈɔːtlə)
- Ortler
[awrt-ler] /ˈɔrt lər/ noun 1. a range of the Alps in N Italy. 2. the highest peak of this range. 12,802 feet (3902 meters).