Home › Words › C › coreholecoreholecorehole means the hole drilled to retrieve a core sample.EtymologyFrom core + hole.nounThe hole drilled to retrieve a core sample.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.drillhole 72% match — A hole made by a drill vs corehole →coring 72% match — The production of a core by means of drilling vs corehole →borehole 67% match — A hole bored into the ground to collect samples for analysis or to extract oil or water. vs corehole →blasthole 67% match — The hole created by an explosion, for example, in mining. vs corehole →mohole 66% match — A hole drilled through the Earth's crust into the Mohorovičić discontinuity, part of a scientific project of the 1960s. vs corehole →earthhole 65% match — A hole or cavern in the earth; a cave. vs corehole →microhole 64% match — A microscopic hole. vs corehole →holing 62% match — undercutting in a bed of coal in order to bring down the upper mass. vs corehole →