Difference between opening and spiracle
Definitions
noun
- becoming open or being made open
- a ceremony accompanying the start of some enterprise
- a recognized sequence of moves at the beginning of a game of chess
- the first of a series of actions
- opportunity especially for employment or promotion
adjective
- first or beginning
Examples
Clearly the megalosaurus in the opening passage of Bleak House is a flight of hyperbolic fancy (inspired, I would guess, by the papier-mâché dinosaurs constructed for the Crystal Palace Exhibition, a couple of years earlier).
The opening Thursday of SugarHouse Casino, Pennsylvania's 10th casino, comes after years of community protests and delays.
The openings permit solid and semi-solid bodily exudates to pass through the top sheet to the absorbent core as the diaper is worn.
Definitions
noun
- a breathing orifice
Examples
Among other items of interest beside the taxonomic classification, Polygeminus grex how original, were the presence of spiracles, a single gonad, and a uterus.
Peritreme: the corneous selerite surrounding a spiracle.
Animals at rest have been shown to use their spiracles, sometimes in synchrony with their mouth for respiration, but it is not clear whether spiracles play a role in respiration during swimming.
