venthole |
blowhole |
As nouns the difference between venthole and blowhole
is that
venthole is a hole through which gas or air can escape while
blowhole is the spiracle, on the top of the head, through which cetaceans breathe.
nostril |
blowhole |
As nouns the difference between nostril and blowhole
is that
nostril is either of the two orifices located on the nose (or on the beak of a bird); used as a passage for air and other gases to travel the nasal passages while
blowhole is the spiracle, on the top of the head, through which cetaceans breathe.
blowhole |
semikilled |
As a noun blowhole
is the spiracle, on the top of the head, through which cetaceans breathe.
As an adjective semikilled is
(of steel) partly deoxidized to avoid evolution of gas during solidification, but with some remaining carbon monoxide causing blowhole-type porosity.