D defs.my
Entry 3 senses Webster, 1913

Scientific

/sīˌ-ən-tĭf'-ĭk/ · Sci·en·tif·ic · IPA /ˌsaɪ.ənˈtɪf.ɪk/
01 a. Of or pertaining to science; used in science; as, scientific principles; scientific apparatus; scientific observations.
  1. 1.
    Of or pertaining to science; used in science; as, scientific principles; scientific apparatus; scientific observations.
  2. 2.
    Agreeing with, or depending on, the rules or principles of science; as, a scientific classification; a scientific arrangement of fossils.
  3. 3.
    Having a knowledge of science, or of a science; evincing science or systematic knowledge; as, a scientific chemist; a scientific reasoner; a scientific argument.
    “Bossuet is as scientific in the structure of his sentences.” Landor.
Phrases & compounds
Scientific method — the method employed in exact science and consisting of: (a) Careful and abundant observation and experiment. (b) generalization of the results into formulated “Laws” and statements.