Nigrosine :: Nigrosine (n.) A dark blue dyestuff, of the induline group; -- called also azodiphenyl blue..
Outground :: Outground (n.) Ground situated at a distance from the house; outlying land.
Outgrow :: Outgrow (v. t.) To surpass in growing; to grow more than.
Outgrow :: Outgrow (v. t.) To grow out of or away from; to grow too large, or too aged, for; as, to outgrow clothing; to outgrow usefulness; to outgrow an infirmity..
Potsdam Group :: Potsdam group () A subdivision of the Primordial or Cambrian period in American geology; -- so named from the sandstone of Potsdam, New York. See Chart of Geology..
Pygropodes :: Pygropodes (n. pl.) A division of swimming birds which includes the grebes, divers, auks, etc., in which the legs are placed far back..
Quebec Group :: Quebec group () The middle of the three groups into which the rocks of the Canadian period have been divided in the American Lower Silurian system. See the Chart of Geology.