NEMAT- Meaning of NEMAT- in English [nemat-] or nemato- comb form [NL, fr. Gk nemat-, fr. nemat-, nema, fr. nen to spin--more at needle] 1: thread "nematocyst" 2: nematode "nematology" Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012