polyhydramnios pol·y·hy·dram·ni·os (pŏl’ē-hī-drām’nē-ŏs’)
An excess in the amount of amniotic fluid.
[pol-ee-hahy-drik] /ˌpɒl iˈhaɪ drɪk/ adjective, Chemistry. 1. (especially of alcohols and phenols) polyhydroxy. /ˌpɒlɪˈhaɪdrɪk/ adjective 1. another word for polyhydroxy, esp when applied to alcohols polyhydric pol·y·hy·dric (pŏl’ē-hī’drĭk) adj. Containing more than one hydroxyl group.
[pol-ee-his-ter] /ˌpɒl iˈhɪs tər/ noun 1. a person of great and varied learning. n. “very learned person,” 1580s, from Greek polyhistor “very learned,” from poly “much, many” (see poly-) + histor “knowing, learned” (see history).
[pol-ee-fahy-let-ik] /ˌpɒl i faɪˈlɛt ɪk/ adjective 1. developed from more than one ancestral type, as a group of animals. /ˌpɒlɪfaɪˈlɛtɪk/ adjective 1. (biology) relating to or characterized by descent from more than one ancestral group of animals or plants polyphyletic pol·y·phy·let·ic (pŏl’ē-fī-lět’ĭk) adj. pol’y·phy’le·tism (-fī’lĭ-tĭz’əm) n. polyphyletic (pŏl’ē-fī-lět’ĭk) Relating to a taxonomic group that does […]
/ˌpɒlɪˈfaɪəʊˌdɒnt/ adjective 1. having many successive sets of teeth, as fishes and other lower vertebrates Compare diphyodont