colliery
n. C2 Proficiency UK //kˈɒlɪəɹi// col·liery
n. a place where coal is mined. It is a word you might hear in history books or in stories about the industrial revolution.
n. a coal mine or the site where coal is extracted from the earth. Often used in historical or technical contexts to distinguish coal mining from other types of mining.
The colliery closed down after fifty years of operation.
During the nineteenth century, the local colliery provided employment for nearly half of the town's population.
The decline of the colliery marked the end of an era for the valley, as the once-thriving industrial hub struggled to adapt to the shift toward renewable energy sources.
From collier + -y.