Hypertext Webster Gateway: "subnormal"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Subnormal \Sub*nor"mal\, n. (Geom.)
That part of the axis of a curved line which is intercepted
between the ordinate and the normal.
From WordNet (r) 1.7 (wn)
subnormal
adj : (statistics) below normal or average; "after the floods the
harvests were subnormal"; "subnormal intelligence"
n : a person of less than normal intelligence
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