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holing

From Wiktionary, the free dictionary

English

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Pronunciation

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Etymology 1

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Verb

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holing

  1. present participle and gerund of hole
Derived terms
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Etymology 2

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From hole (“a hollow”) +‎ -ing.

Noun

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holing (plural holings)

  1. (mining) undercutting in a bed of coal in order to bring down the upper mass.[1]

References

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  1. ^ Rossiter W[orthington] Raymond (1881) “Holing”, in A Glossary of Mining and Metallurgical Terms. […], Easton, Pa.: [American] Institute [of Mining Engineers], […], →OCLC.
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