Word: postback
Part of speech: Noun
Syllables: post
back
Definition: The transmission of data back to the same web page by means of HTTP POST.
Morphemes:
Affix: post
Language: en
PoS: Noun
Meaning: A message posted in an electronic or Internet forum, or on a blog, etc.
Affix: back
Language: en
PoS: Verb
Meaning: To write upon the back of, possibly as an endorsement.