[pol-ee-trof-ik, -troh-fik] /ˌpɒl iˈtrɒf ɪk, -ˈtroʊ fɪk/
(of certain bacteria) deriving nourishment from many organic substances.
(esp of bacteria) obtaining food from several different organic sources
adjective in physics, pertaining to pressure and volume change that maintains specific heat
/ˈpɒlɪˌtʌnəl/ noun 1. a large tunnel made of polythene and used as a greenhouse
[pol-ee-tip-ik] /ˌpɒl iˈtɪp ɪk/ adjective 1. having or involving many or several types. /ˌpɒlɪˈtɪpɪk/ adjective 1. existing in, consisting of, or incorporating several different types or forms 2. (biology) (of a taxonomic group) having many subdivisions, esp (of a species) having many subspecies and geographical races polytypic pol·y·typ·ic (pŏl’ē-tĭp’ĭk) or pol·y·typ·i·cal (-ĭ-kəl) adj. Having several […]
[pol-ee-uhn-sach-er-it, -uh-reyt] /ˌpɒl i ʌnˈsætʃ ər ɪt, -əˌreɪt/ noun 1. a polyunsaturated fat or fatty acid.