Category: S

  • Superintendent

    The chief school administrative officer in local school districts.  

  • Superincision

    Removal of the foreskin from the penis plus cutting of the shaft of the penis.  

  • Superfund

    Another name for the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 that created ATSDR.  

  • Superficial

    On the surface, close to the surface or on the skin. Cursory. Not thorough. In anatomy, situated at or near a surface; shallow. Superficial blood vessels, for example, are those close to the surface of the skin. A shallow cut is referred to as a superficial injury. Situated at or close to a surface. Superficial…

  • Summative evaluation

    In education, using tests to establish how well a learner has met the objectives of a unit or to determine a final grade.  

  • Summation tone

    A third tone sometimes heard when two tones are sounded together. Its pitch is that which corresponds to the total of the two component frequencies, difference tone.  

  • Summation

    The addition of the intensities of nerve impulses so that the combined effect is strong enough to cross a synapse. A cumulative action or effect, as of stimuli; thus, an organ reacts to two or more weak stimuli as if they were a single strong one. The gathering of various impacts, including those related to…

  • Summary

    Immediate, without full proceeding, as in summary judgment.  

  • Sulfur dioxide

    A gaseous byproduct (SO2) of the combination of any organic substance containing sulfur. An irritating gas used in industry to manufacture acids and as a bactericide and disinfectant. It is a major component of air pollution.  

  • Sulfanilamide

    A type of antibiotic.