blowhole
吹孔,吹口,吹洞,气孔
Definitions
- 1
- : an air or gas vent, especially one to carry off fumes from a tunnel, underground passage, etc.
- : either of two nostrils or spiracles, or a single one, at the top of the head in whales and other cetaceans, through which they breathe.
- : a hole in the ice to which whales or seals come to breathe.
- : Metallurgy. a defect in a casting or ingot caused by the escape of gas.
- : Geology. a hole in a sea cliff or coastal terrace through which columns of spray are jetted upward.
Examples
If true, it would mark the first evidence of seawater entering blowholes.
Along the way, she recorded when the whales breathed and if seawater covered their blowholes.
One team has just shown for the first time that seawater enters whale blowholes.
The single blowhole is located well to the left of the midline and far forward on the head.
The huge, distinctly box-shaped head and the position of the single blowhole to the left front of the head are unmistakable clues.
The body is long and slender, and the head is narrow and gently tapered from the area of the blowhole forward.
In any case, be careful to leave the blowhole free so that the animal can breathe.
The blowhole was large and somewhat unsymmetrically placed, the right angle being the more anterior.