drilling

Pronunciation:		'driling
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Matching Terms:		drilling bit, drilling fluid, drilling mud, drilling pipe, drilling platform, drilling rig
WordNet Dictionary

	Definition:	[n] the act of drilling a hole in the earth in the hope of producing petroleum [n] the act of drilling

	Synonyms:	boring, oil production

	See Also:	creating by removal, production

Webster's 1913 Dictionary

	Definition:	\Drill"ing\, n. 1. The act of piercing with a drill. 2. A training by repeated exercises. \Drill"ing\, n. The act of using a drill in sowing seeds. \Drill"ing\, n. [G. drillich, fr. L. trilix having three threads, fr. the of tres three + licium a thread of the warm. See {Three}, and cf. {Twill}.] (Manuf.) A heavy, twilled fabric of linen or cotton.