from
The Collaborative International Dictionary of English v.0.48
Subsumption \Sub*sump"tion\, n.
1. The act of subsuming, or of including under another.
[1913 Webster]
The first act of consciousness was a subsumption of
that of which we were conscious under this notion.
--Sir W.
Hamilton.
[1913 Webster]
2. That which is subsumed, as the minor clause or premise of
a syllogism.
[1913 Webster]
But whether you see cause to go against the rule, or
the subsumption under the rule. --De Quincey.
[1913 Webster]