01 n. Derangement of the mind in regard of a single subject only; also, such a concentration of interest upon one particular subject or train of …
-
1.
Derangement of the mind in regard of a single subject only; also, such a concentration of interest upon one particular subject or train of ideas to show mental derangement.
Syn.
Insanity; madness; alienation; aberration; derangement; mania. See Insanity.