releaser noun. [rɪ'li:sǝ] LME.
[from RELEASE verb + -ER¹.]
A person who or thing which releases something; spec. (a) in dairy farming, a device which removes milk from the vessel in which the output of a milking machine accumulates; (b) Zoology a sign stimulus, esp. one that acts between animals of the same species; (c) Physiology a pheromone that results in a rapid response not mediated by hormones (cf. primer); (d) Psychology an external stimulus which produces a specific non-reflex behavioural response.

[TahlilGaran] English Dictionary ▲