[ni-mat-ik] /nɪˈmæt ɪk/
adjective, Physical Chemistry. (of liquid crystals)
noting a mesomorphic state in which the arrangement of the molecules is linear.
(chem) (of a substance) existing in or having a mesomorphic state in which a linear orientation of the molecules causes anisotropic properties Compare smectic See also liquid crystal
[nem-uh-tuh-sahyd, ni-mat-uh-] /ˈnɛm ə təˌsaɪd, nɪˈmæt ə-/ noun 1. a substance or preparation used for killing nematodes parasitic to plants. nematocide nem·a·to·cide (něm’ə-tĭ-sīd’, nə-māt’ĭ-) or nem·a·ti·cide n. A substance or preparation used to kill nematodes. nem’a·to·cid’al (-sīd’l) adj.
1. a combining form with the meaning “thread,” “threadlike organism, especially a nematode,” used in the formation of compound words: nematocyst. combining form 1. indicating a threadlike form: nematocyst nemato- or nemat- pref. Thread; threadlike: nematocyst.
[nem-uh-tuh-sist, ni-mat-uh-] /ˈnɛm ə təˌsɪst, nɪˈmæt ə-/ noun, Zoology. 1. an organ in coelenterates consisting of a minute capsule containing an ejectable thread that causes a sting. /ˈnɛmətəˌsɪst; nɪˈmætə-/ noun 1. a structure in coelenterates, such as jellyfish, consisting of a capsule containing a hollow coiled thread that can be everted to sting or paralyse […]
a class of worms, Modern Latin compound of nemat- “thread” (from Greek nema, genitive nematos “thread,” from stem of nein “to spin;” see needle (n.)) + -odes “like, of the nature of” (see -oid). Nematoda Nem·a·to·da (něm’ə-tō’də) n. A phylum of worms including species parasitic in humans and plants as well as free-living nonparasitic species […]