[hee-lee-o-truh-piz-uh m, hee-lee-uh-troh-piz-uh m] /ˌhi liˈɒ trəˌpɪz əm, ˌhi li əˈtroʊ pɪz əm/
heliotropic tendency or growth.
the growth of plants or plant parts (esp flowers) in response to the stimulus of sunlight, so that they turn to face the sun
1854, from heliotrope + -ism.
The growth or movement of a fixed organism, especially a plant, toward or away from sunlight. Heliotropism can be easily seen in sunflowers, which slowly turn their large flowers so that they continually face the sun.
heliotropic adjective (hēl’lē-ə-trō’pĭk, -trŏp’ĭk)
[hee-lee-uh-tahyp] /ˈhi li əˌtaɪp/ noun, verb, heliotyped, heliotyping. 1. . /ˈhiːlɪəʊˌtaɪp/ noun 1. Also called heliotypy. a printing process in which an impression is taken in ink from a gelatine surface that has been exposed under a negative and prepared for printing 2. the gelatine plate produced by such a process 3. a print produced […]
[hee-lee-uh-zoh-uh n] /ˌhi li əˈzoʊ ən/ noun 1. a protozoan of the order Heliozoa, having a spherical body and radiating pseudopods. adjective 2. Also, heliozoic [hee-lee-uh-zoh-ik] /ˌhi li əˈzoʊ ɪk/ (Show IPA). belonging or pertaining to the Heliozoa. /ˌhiːlɪəʊˈzəʊən/ noun 1. any protozoan of the mostly freshwater group Heliozoa, typically having a siliceous shell and […]
[hel-uh-pad, hee-luh-] /ˈhɛl əˌpæd, ˈhi lə-/ noun 1. a takeoff and landing area for helicopters, usually without commercial facilities. /ˈhɛlɪˌpæd/ noun 1. a place for helicopters to land and take off
[hel-uh-pawrt, -pohrt, hee-luh-] /ˈhɛl əˌpɔrt, -ˌpoʊrt, ˈhi lə-/ noun 1. a landing place for helicopters, often on the roof of a building or in some other limited area. /ˈhɛlɪˌpɔːt/ noun 1. an airport for helicopters n. 1948, from helicopter + second element abstracted from airport.