Last name origins & meanings: 1  Dutch, North German (Niemann), and Danish: nickname for a newcomer to a place, from nie ânewâ (variant of German neu or Dutch nieuw) + man âmanâ. 2  Dutch, North German (Niemann), and Danish: Perhaps also from niemand ânobodyâ, hence a nickname for an orphan or a person of no account.ast name origins & meanings: 1  Dutch, North German (Niemann), and Danish: nickname for a newcomer to a place, from nie ânewâ (variant of German neu or Dutch nieuw) + man âmanâ. 2  Dutch, North German (Niemann), and Danish: Perhaps also from niemand ânobodyâ, hence a nickname for an orphan or a person of no account.
GCIDE(0.00 / 0 votes)Rate this definition: onychophoran(n.) Any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms; a member of the Onychophora, also called Malacopoda. See Malacopoda.
Phytophthora spp. are mostly pathogens of dicotyledons, and are relatively host-specific parasites.Many species of Phytophthora are plant pathogens of considerable economic importance.Phytophthora infestans was the infective agent of the potato blight that caused the Great Irish Famine (1845â1849) , and still remains the most destructive pathogen of solanaceous crops, including tomato and potato.any species of Phytophthora are plant pathogens of considerable economic importance. Phytophthora infestans was the infective agent of the potato blight that caused the Great Irish Famine (1845â1849) , and still remains the most destructive pathogen of solanaceous crops, including tomato and potato.