Welded-tuff
noun, Petrology.
1.
ignimbrite.
noun, Petrology.
1.
a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz.
noun
1.
a rock formed by the deposition at high temperature and the consolidation of a nuée ardente or other type of ash flow, being a complicated mixture of volcanic materials welded together by heat, hot gases, and pressure Also called welded tuft See tuft
ignimbrite
(ĭg’nĭm-brīt’)
A volcanic rock formed by the consolidation of volcanic ash and other material ejected by an explosive volcanic eruption.
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verb (used with object) 1. to unite or fuse (as pieces of metal) by hammering, compressing, or the like, especially after rendering soft or pasty by heat, and sometimes with the addition of fusible material like or unlike the pieces to be united. 2. to bring into complete union, harmony, agreement, etc. verb (used without […]
- Welding
verb (used with object) 1. to unite or fuse (as pieces of metal) by hammering, compressing, or the like, especially after rendering soft or pasty by heat, and sometimes with the addition of fusible material like or unlike the pieces to be united. 2. to bring into complete union, harmony, agreement, etc. verb (used without […]
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noun 1. (electrical engineering) filler metal supplied in the form of a rod, usually coated with flux
- Weldment
noun 1. a welded assembly.
- Weldon
noun 1. Fay. born 1931, British novelist and writer. Her novels include Praxis (1978), Life and Loves of a She-Devil (1984), Big Women (1998), and Rhode Island Blues (2003)