SIMMERING
boiling, stewing, simmering
(noun) cooking in a liquid that has been brought to a boil
Source: WordNet® 3.1
Verb
simmering
present participle of simmer
Noun
simmering (plural simmerings)
The act of something that simmers.
Anagrams
• immersing
Source: Wiktionary
SIMMER
Sim"mer, v. i. [imp. & p. p. Simmered; p. pr. & vb. n. Simmering.]
Etym: [Prov. E. also simper; -- an onomatopoetic word.]
Definition: To boil gently, or with a gentle hissing; to begin to boil.
I simmer as liquor doth on the fire before it beginneth to boil.
Palsgrave.
Sim"mer, v. t.
Definition: To cause to boil gently; to cook in liquid heated almost or
just to the boiling point.
Source: Webster’s Unabridged Dictionary 1913 Edition