D defs.my
Entry 4 senses Webster, 1913

partial

/(pär"shal)/ · par·tial · IPA /ˈpɑɹʃəl/
01 a. Of, pertaining to, or affecting, a part only; not general or universal; not total or entire; as, a partial eclipse of the moon.
  1. 1.
    Of, pertaining to, or affecting, a part only; not general or universal; not total or entire; as, a partial eclipse of the moon.
  2. 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. 3.
    Having a predilection for; inclined to favor unreasonably; foolishly fond.
    “Not partial to an ostentatious display.” Sir W. Scott.
  4. 4.
    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.(Bot.)
Phrases & compounds
Partial differentials — the differentials, differential coefficients, differentiation etc., of the function, upon the hypothesis that some of the variables are for the time constant.
Partial fractions — fractions whose sum equals a given fraction.
Partial tones — 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.