main rope
Mining
noun
A rope which hauls a train of full wagons from the working face to the pit bottom.
Origin
Late 19th century.
- phototherapeutic
- phototherapeutic keratectomy
- phototherapeutics
- phototherapy
- photothermic
- phototimer
- phototonic
- phototopographer
- phototopographic
- phototopographical
- phototopography
- phototoxic
- phototoxicity
- phototransduction
- phototransformation
- phototransient
- phototransistor
- phototrope
- phototroph
- phototrophic
- phototrophy
- phototropic
- phototropism
- phototropy
- phototube