Letters that make air duct
a, d, c, r, t, i, u are letters that make 'air duct'
a, d, c, r, t, i, u are letters that make 'air duct'
1 possible definitions for 'air duct'
Under this definition, air duct is a noun and has the following properties:
air passage, airway have the same meaning as 'air duct'
'air duct' can be a type of duct.
snorkel, schnorkel, schnorchel, snorkel breather, breather, upcast, ventilation shaft, register are types of 'air duct'.