eb·ul·li·tion 
(ĕb′ə-lĭshən)
(ĕb′ə-lĭshən)n.
1. The state or process of boiling.
2. A sudden, violent outpouring, as of emotion: "did not ... give way to any ebullitions of private grief" (William Makepeace Thackeray).
[Middle English ebullitioun, from Late Latin ēbullītiō, ēbullītiōn-, from Latin ēbullītus, past participle of ēbullīre, to bubble up; see EBULLIENT.]
eb′ul·lition·al adj.