Word: Twittersphere
Part of speech: Proper noun
Syllables: twi
tter
sphere
Definition: Proper noun~ The totality of users and messages on the Twitter microblogging service.
Morphemes:
Affix: Twitter
Language: en
PoS: Proper noun
Meaning: Proper noun~ An online social networking service that enables users to send and read short messages (280 characters; originally 140).
Affix: -sphere
Language: en
PoS: Suffix
Meaning: Designating a particular realm or interest of a group of people, object, etc; its spatial or virtual sphere of influence.