TORRICELLIAN
Tor`ri*cel"li*an, a.
Defn: Of or pertaining to Torricelli, an Italian philosopher and mathematician, who, in 1643, discovered that the rise of a liquid in a tube, as in the barometer, is due to atmospheric pressure. See Barometer. Torricellian tube, a glass tube thirty or more inches in length, open at the lower end and hermetically sealed at the upper, such as is used in the barometer. — Torricellian vacuum (Physics), a vacuum produced by filling with a fluid, as mercury, a tube hermetically closed at one end, and, after immersing the other end in a vessel of the same fluid, allowing the inclosed fluid to descend till it is counterbalanced by the pressure of the atmosphere, as in the barometer. Hutton.
TORRID Tor"rid, a. Etym: [L. torridus, fr. torrere to parch, to burn, akin to E. Thist: cf. F. torride. See Thirst.]
1. Parched; dried with heat; as, a torrid plain or desert. "Barca or Cyrene's torrid soil." Milton.
2. Violenty hot; drying or scorching with heat; burning; parching. "Torrid heat." Milton. Torrid zone (Geog.), that space or board belt of the earth, included between the tropics, over which the sun is vertical at some period of every year, and the heat is always great.
TORRIDITY
Tor*rid"i*ty, n.
Defn: Torridness. [R.]
TORRIDNESS
Tor"rid*ness, n.
Defn: The quality or state of being torrid or parched.
TORRIL
Tor"ril, n.