Spiracle
/ˈspɪr.ə.kəl/noun
A small opening in the body of an animal for air or liquid to pass through.
Insects breathe through spiracles located on the sides of their bodies.
Often appears as...
- breathing spiracles
- spiracular openings
Usage tips
Neutral
General
Definition 1 of 2
Pro Tip 1/3Context
Spiracles are commonly used in biological contexts; ensure clarity when discussing other subjects.
Insects and fish utilize spiracles for respiration in very different environments.
Pro Tip 2/3Technicality
Use the term in formal scientific discussions for accuracy. Avoid casual language when describing spiracles.
In a formal biology class, you'd say spiracles, not 'holes' or 'gaps'.
Pro Tip 3/3Variation
Recognize that 'spiracle' may not be commonly known outside scientific fields; explain it when necessary.
When introducing the term, provide examples like fish or insects to clarify its meaning.
Compare with
aperturestomaventporeorifice
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