Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
undercutting in a bed of coal in order to bring down the upper mass.
Definition source: English Wiktionary via Wiktextract
Topics: business, mining
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
present participle and gerund of hole
Definition source: English Wiktionary via Wiktextract
Usage: form-of, gerund, participle, present
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Etymology tree Proto-Germanic *hulaz Proto-Germanic *hulą Proto-West Germanic *hol Old English hol Middle English hole English hole English -ing English holing From hole (“a hollow”) + -ing.
See the etymology of the corresponding lemma form.