Active sun

the sun at a maximum of solar activity, occurring every 11 years.
solar activity, superimposed on an unchanging background.

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  • Active splint

    active splint active splint n. see dynamic splint.

  • Active transport

    the movement of ions or molecules across a cellular membrane from a lower to a higher concentration, requiring the consumption of energy. historical examples each inactive tape transport requires two amperes and the one active transport requires 10 amperes. preliminary specifications: programmed data processor model three (pdp-3) digital equipment corporation noun (biochem, physiol) a process […]

  • Active vocabulary

    noun the total number of words a person uses in his own speech and writing compare p-ssive vocabulary

  • Activewear

    (def 1). noun any clothing designed for sporting or recreational activity

  • Actively

    engaged in ; characterized by energetic work, partic-p-tion, etc.; busy: an active life. being in a state of existence, progress, or motion: active hostilities. involving physical effort and : active sports. having the power of quick motion; nimble: active as a gazelle. characterized by , motion, volume, use, partic-p-tion, etc.: an active market in wheat; […]

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