NISUS

An Illustrated Encyclopedic Medical Dictionary · 1894 · p. 4

(Lat.), n. m. Nis(nes)'u*s(u4s). Gen., nis'us. From nit i, to strive. Fr., n., impulsion. Ger., Trieb, Streben. Force, tendency, impulse: the vernal sexual impulse in animals. [L, 41, 50 (a, 14).] Cf. MoLIMEN. N. form a t i vu s. See Plastic FORCE. [s. 106]