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Related to pillaring: pillorying
The process of extracting pillars. Also called pillar robbing; pulling pillars; robbing pillars.
The rapid vertical movement of smoke which sometimes results, for instance, from the explosion of a white phosphorus bomb or projectile; the effect is undesirable because it does not produce obscuration over a desirably large area.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.