releaser

/rɪˈlisər/
noun
  1. A person or thing that sets something free or lets it go.
    • The firefighter acted as a releaser, opening the cage to free the trapped cat.
    • In the experiment, the releaser was a button that dropped the ball when pressed.
    • The park ranger served as the releaser of the rehabilitated eagle back into the wild.
  2. A chemical or substance that causes something to be released into the body or environment.
    • Scientists studied the pollutant as a releaser of harmful gases into the air.
    • The plant acts as a natural releaser of oxygen during the day.
    • This medication is a slow releaser of pain relief over twelve hours.
  3. In biology, a stimulus that triggers a specific behavior in an animal.
    • The movement of a predator can be a releaser for the prey's escape behavior.
    • The bright color of the flower is a releaser for bees to land and collect nectar.
    • A male bird's song acts as a releaser for the female's mating response.
What does "releaser" mean? | whatsthatwordmean | whatsthatwordmean