drivagen.
/ˈdrʌɪvɪdʒ/, U.S. /ˈdraɪvɪdʒ/ Mining.
A passage driven horizontally or at a slight incline; (also) the action or process of excavating such a passage.
ΚΠ
1847 Collieries: Rep. Gases & Explosions 31 in Parl. Papers XVI. 159 As soon as the water was pumped out of the old pit, I commenced a drivage or heading to the old workings, and we struck the water, and drained it all down.
1902 G. L. Kerr Elem. Coal-Mining xi. 185 In order to carry the air-current up to the face in Pillar and Stall workings or in driving out a pair of drifts, all the ‘throughers’ or cross drivages are barricaded up, with the exception of the last througher nearest to the face.
1977 Operational Res. Q. 28 781 The main financial advantages of increased awareness of geological structures will be shown, not in the colliery's output figures, but in the savings in roadway drivage.
2012 I. W. Farmer Coal Mine Structures 149 The initial event which occurred at 120 days prior to the placement of the floor and sidewall concrete was the drivage of the 10m long overdrive.
This entry has been updated (OED Third Edition, September 2021; most recently modified version published online March 2022).
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n.1847- persnicketiness
- persnicketinesses
- persnickety
- perso
- perso-
- persolution
- persolve
- person
- person friday
- person from porlock
- person of colour
- person of condition
- person of expense
- person of great, little expense
- pharisaean
- pharisaic
- pharisaical
- pharisaically
- pharisaicalness
- pharisaicalnesses
- pharisaism
- pharisaisms
- pharisaist
- pharisean
- pharisee