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Definition of Notophthalmus viridescens
1. Noun. Red terrestrial form of a common North American newt.
Medical Definition of Notophthalmus viridescens
1. A species of newt in the salamandridae family in which the larvae transform into terrestrial eft stage and later into an aquatic adult. They occur from canada to southern united states. Viridescens refers to the greenish colour often found in this species. (12 Dec 1998)