coal shaft
noun
A shaft in a coal mine.
Origin
Early 18th century.
- microtonal
- microtonality
- microtonally
- microtone
- microtopographic
- microtopographical
- microtopography
- microtrabecula
- microtrabecular
- microtransaction
- microtrichium
- microtron
- microtubular
- microtubule
- microtunnelling
- microunit
- microvan
- microvascular
- microvasculature
- microviewer
- microvillar
- microvillus
- microviscosity
- microwave
- microwaveable