air course
Mining
noun
A passage for ventilation in a mine.
Origin
Early 19th century.
- PhoneMail
- phonematic
- phonematically
- phonematics
- phonematization
- phonematology
- phoneme
- phonemic
- phonemically
- phonemicise
- phonemicist
- phonemicity
- phonemicization
- phonemicize
- phonemics
- phonemization
- phonendoscope
- phone number
- phone operator
- phone patch
- phone phreak
- phone phreaker
- phone phreaking
- phoner
- phoner-in