upcast
(noun) air passage consisting of a ventilation shaft through which air leaves a mine
Source: WordNet® 3.1
upcast (comparative more upcast, superlative most upcast)
Cast up; thrown upward.
upcast (plural upcasts)
(bowling) A cast; a throw.
(mining) The ventilating shaft of a mine out of which the air passes after having circulated through the mine.
(mining) A current of air passed along such a shaft.
(Scotland) An upset, as from a carriage.
(Scotland) A taunt; a reproach.
(computing) A cast from subtype to supertype.
A message transmitted via upcasting.
• (mining): upcast pit, upcast shaft
• (mining): downcast
upcast (third-person singular simple present upcasts, present participle upcasting, simple past and past participle upcasted or upcast)
(transitive, obsolete) To cast or throw up; to turn upward.
(transitive, Scotland) To taunt; to reproach; to upbraid.
(transitive, computing) To cast from subtype to supertype.
Antonym: downcast
To broadcast a message or data to aircraft or satellites, especially via radio waves; as opposed to uplinking to a specific satellite or aircraft
• acts up, caputs, cast up, catsup
Source: Wiktionary
Up"cast`, a.
Definition: Cast up; thrown upward; as, with upcast eyes. Addison.
Up"cast`, n.
1. (Bowling)
Definition: A cast; a throw. Shak.
2. (Mining.)
Definition: The ventilating shaft of a mine out of which the air passes after having circulated through the mine; -- distinguished from the downcast. Called also upcast pit, and upcast shaft.
3. An upset, as from a carriage. [Scot.]
4. A taunt; a reproach. [Scot.] Sir W. Scott.
Up*cast", v. t.
1. To cast or throw up; to turn upward. [Obs.] Chaucer.
2. To taunt; to reproach; to upbraid. [Scot.]
Source: Webster’s Unabridged Dictionary 1913 Edition
29 April 2024
(noun) a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
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