Share this entry

trophallaxis Line breaks: troph¦al|laxis
Pronunciation: /ˌtrɒfəˈlaksɪs/

Definition of trophallaxis in English:

noun

[mass noun] Entomology
The mutual exchange of regurgitated liquids between adult social insects or between them and their larvae.
Example sentences
  • Direct interactions are the ‘obvious’ interactions: antennation, trophallaxis (food or liquid exchange), mandibular contact, visual contact, chemical contact (the odor of nearby nestmates), etc.
  • Second, we quantified the rate of trophallaxis, that is, oral exchange of liquid food between individuals.
  • Typical nest behaviors, such as aggression and trophallaxis, were not observed among aggregating wasps.

Origin

Early 20th century: from tropho- 'nourishment' + Greek allaxis 'exchange'.

Definition of trophallaxis in:

Share this entry

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day fortissimo
Pronunciation: fɔːˈtɪsɪməʊ
adverb
(especially as a direction) very loud or loudly