borehole

== English == === Etymology === From bore +‎ hole. === Pronunciation === === Noun === borehole (plural boreholes) A hole bored into the ground to collect samples for analysis or to extract oil or water. Near-synonym: well Any other hole that has been bored into something. Synonym: bore (in machinery parts) ==== Related terms ==== ==== Translations ==== === Verb === borehole (third-person singular simple present boreholes, present participle boreholing, simple past and past participle boreholed) (ambitransitive) To bore a hole of this kind (in).