Category: E

  • Erikson, Erik H. (1902-)

    German-born lay psychoanalyst and child psychoanalyst noted for his work on psychosocial development; author of major studies of Luther and Ghandi.  

  • Epileptic equivalent

    Episodic, sensory, or motor phenomena which a person with epilepsy may experience instead of convulsive seizures.  

  • Electroconvulsive treatment (ECT)

    Use of electric current to induce convulsive seizures. Most effective in the treatment of depression. Introduced by Cerletti and Bini in 1938. Modifications are electronarcosis, which produces sleep-like states, and electrostimulation, which avoids convulsions. Used with anesthetics and muscle relaxants.  

  • Ejaculatory incompetence (impotence)

    Inability to reach orgasm and ejaculate during sexual intercourse despite adequacy of erection. Also referred to as retarded ejaculation, absence of ejaculation, ejaculatory impotence, and inhibited ejaculation is the inability to ejaculate even after sustained sexual stimulation through coitus. Primary ejaculatory incompetence refers to never having ejaculated inside a woman’s vagina. Secondary ejaculatory incompetence involves…

  • Extrude

    To force, press, or punch out through a dye.  

  • Extract

    An alcohol or alcohol-water solution containing a flavoring agent. A pharmaceutical preparation obtained by dissolving the active constituents of a drug with a suitable solvent, evaporating the solvent, and adjusting to proscribe standards. A concentrated preparation (semiliquid, solid or dry powder) of the soluble fraction of plant material. Substance that is extracted from another in…

  • Exhaust

    To remove or draw out air or gases from a can, jar or package prior to closure.  

  • Eviscerate

    To remove the entrails (guts or internal parts).  

  • Evaporate

    To drive out the moisture within a product.  

  • Eutectic point

    Temperature at which a substance exists simultaneously in the solid, liquid, and gaseous states.