monomania

The American Dictionary and Cyclopedia · 1910 · p. 49
[Gr. monos alone, single, and mania =madne ; Ital. & Sp. monomania; Fr. monomanie.] Madne or derangement of the mind with regard to one subject only. The monomaniac often takes up a wrong principle, but reasons logically from it. Thus, believing himself to be made of gla , he takes every prudent precaution against falling and being broken. mòn-ô-mā-ni-ăc, s. & a. [Pref. mono-, and Eng. maniac (q. v.).] A. As subst.: One who suffers from monomania. B. As adjective: 2. Suffering from monomania or partial derangement of the mind. chin, bench; go, gem; thin, this; Entom.: A tribe of Homoptera, in which the tarsi have only one joint. mon-o-měr-o-sō-ma-tạ, s. pl. [Mod. Lat., from pref. mono-; Gr. meros = a part, and soma = the body.] Entom.: A name sometimes given to the order A car in a (q. v.), because the segments of the body are fused into a single ma . mô-năm-er-oŭs, a. [Pref. mono-, and Gr. meros =a part.] with but one each of its component organs. 1. Bot. Having solitary members, as a flower 2. Having a single joint, as in the case of the feet of some insects.
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