apathism ap·a·thism (āp’ə-thĭz’əm)
Sluggishness in reacting to stimuli.
a common mineral, calcium fluorophosphate, Ca 5 FP 3 O 12 , occurring in individual crystals and in masses and varying in color, formerly used in the manufacture of phosphate fertilizers. Historical Examples apatite, ap′a-tīt, n. a phosphate of lime of great variety of colour. Chambers’s Twentieth Century Dictionary (part 1 of 4: A-D) Various […]
apatosaurus apatosaurus (ə-pāt’ə-sôr’əs) or apatosaur (ə-pāt’ə-sôr’əs) A very large sauropod dinosaur of the genus Apatosaurus (or Brontosaurus) of the late Jurassic Period. Apatosaurs had a long neck and tail and a relatively small head. See Note at brontosaurus. Historical Examples This was about thirty feet long, and is known as apatosaurus grandis. Extinct Monsters H. […]
. Historical Examples Find the area of triangle APB in terms of x, the side of the square. The Canterbury Puzzles Henry Ernest Dudeney abbreviation (in the US) all-points bulletin noun See all-points bulletin also a.p.b., 1960, police jargon initialism for all-points bulletin, itself attested by 1953 (perhaps more in the jargon of detective novels […]
apca Air Pollution Control Association