POND n.
, Planorbis, and allied genera. The operculated species are pectinibranchs, belonging to Melantho, Valvata, and various other genera. -- Pond spice (Bot.), an American shrub (Tetranthera geniculata) of the Laurel family, with small oval leaves, and axillary clusters of little yellow flowers. The whole plant is spicy.…
POSITIVE a.
ce; -- opposed to negative crystal, or one in which this characteristic is reversed, as Iceland spar, tourmaline, etc. -- Positive degree (Gram.), that state of an adjective or adverb which denotes simple quality, without comparison or relation to increase or diminution; as, wise, noble. -- Positive electricity (Elec…
RELAPSING a.
fever (Med.), an acute, epidemic, contagious fever, which prevails also endemically in Ireland, Russia, and some other regions. It is marked by one or two remissions of the fever, by articular and muscular pains, and by the presence, during the paroxism of spiral bacterium (Spirochæte) in the blood. It is not usually…
ROUND a.
and usually having a conical cap or roof, which crowns the summit, -- found chiefly in Ireland. They are of great antiquity, and vary in heigh from thirty-five to one hundred and thiry feet. -- Round trot, one in which the horse throws out his feet roundly; a full, brisk, quick trot. Addison. -- Round turn (Naut.),…