American Heritage Dictionary
(3)
Century Dictionary
(6)
GNU Webster's 1913
(1)
WordNet
(5)
Elsewhere on the web
Using the decomposition, a set of principles to prohibit changes which will interfere with unmodified components is provided.— CiteULike: Everyone's library
The testing does not measure heat decomposition, thermal toxicity, toxic gases or the incapacitation factor.— CNS Magazine - Headline News
There also was the odor of human decomposition, the same odor detected in her parents 'backyard.— Latest Articles
The singular value decomposition (SVD) was performed, yielding a standard decomposition are orthogonal matrices and D is diagonal.— PLoS Biology: New Articles
These indications include mortal livor mortis (blood pooling in the part of the body at lowest elevation), decomposition, incineration, or other bodily damage that is clearly inconsistent with life.— Citizendium, the Citizens' Compendium - Recent changes [en]

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word a few times a month.