trap rock
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Trap rock — is a form of plutonic igneous rock that tends to form polygonal vertical fractures, most typically hexagonal, but also four to eight sided. The fracture pattern forms when magma of suitable chemical composition (typically basaltic) intrudes as a… … Wikipedia
trap rock — Trap Trap, n. [Sw. trapp; akin to trappa stairs, Dan. trappe, G. treppe, D. trap; so called because the rocks of this class often occur in large, tabular masses, rising above one another, like steps. See {Tramp}.] (Geol.) An old term rather… … The Collaborative International Dictionary of English
trap|rock — «TRAP ROK», noun. = trap3. (Cf. ↑trap) … Useful english dictionary
trap rock — n. TRAP2 … English World dictionary
Trap — Trap, n. [Sw. trapp; akin to trappa stairs, Dan. trappe, G. treppe, D. trap; so called because the rocks of this class often occur in large, tabular masses, rising above one another, like steps. See {Tramp}.] (Geol.) An old term rather loosely… … The Collaborative International Dictionary of English
Trap tufa — Trap Trap, n. [Sw. trapp; akin to trappa stairs, Dan. trappe, G. treppe, D. trap; so called because the rocks of this class often occur in large, tabular masses, rising above one another, like steps. See {Tramp}.] (Geol.) An old term rather… … The Collaborative International Dictionary of English
Trap tuff — Trap Trap, n. [Sw. trapp; akin to trappa stairs, Dan. trappe, G. treppe, D. trap; so called because the rocks of this class often occur in large, tabular masses, rising above one another, like steps. See {Tramp}.] (Geol.) An old term rather… … The Collaborative International Dictionary of English
Trap — Trap, a. Of or pertaining to trap rock; as, a trap dike. [1913 Webster] … The Collaborative International Dictionary of English
trap — 1. n. & v. n. 1 a an enclosure or device, often baited, for catching animals, usu. by affording a way in but not a way out. b a device with bait for killing vermin, esp. = MOUSETRAP. 2 a trick betraying a person into speech or an act (is this… … Useful english dictionary
Rock N Roll McDonald's — Not to be confused with the song by Wesley Willis … Wikipedia
