The Collaborative International Dictionary of English v.0.48:
partial \par"tial\ (p[aum]r"shal), a. [F., fr. LL. partials, fr.
L. pars, gen. partis, a part; cf. (for sense 1) F. partiel.
See Part, n.]
1. Of, pertaining to, or affecting, a part only; not general
or universal; not total or entire; as, a partial eclipse
of the moon. "Partial dissolutions of the earth." --T.
2. Inclined to favor one party in a cause, or one side of a
question, more then the other; biased; not indifferent;
as, a judge should not be partial.
Ye have been partial in the law. --Mal. ii. 9.
3. Having a predilection for; inclined to favor unreasonably;
foolishly fond. "A partial parent." --Pope.
Not partial to an ostentatious display. --Sir W.
4. (Bot.) Pertaining to a subordinate portion; as, a compound
umbel is made up of a several partial umbels; a leaflet is
often supported by a partial petiole.
Partial differentials, Partial differential coefficients,
Partial differentiation, etc. (of a function of two or more
variables), the differentials, differential coefficients,
differentiation etc., of the function, upon the hypothesis
that some of the variables are for the time constant.
Partial fractions (Alg.), fractions whose sum equals a
Partial tones (Music), the simple tones which in
combination form an ordinary tone; the overtones, or
harmonics, which, blending with a fundamental tone, cause
its special quality of sound, or timbre, or tone color.
See, also, Tone.