• Elementary

    Origin

    From Middle French élémentaire.

    Adjective

    elementary
    1. Relating to the basic, essential or fundamental part of something.
    2. Relating to an elementary school.
    3. (physics) Relating to a subatomic particle.
      • 2012-03, Jeremy Bernstein, A Palette of Particles, The physics of elementary particles in the 20th century was distinguished by the observation of particles whose existence had been predicted by theorists sometimes decades earlier.
    4. (archaic) Sublunary; not celestial; belonging to the sublunary sphere, to which the four classical elements (earth, air, fire and water) were confined; composed of or pertaining to these four elements.
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