Category: A

  • Annuitant

    In insurance, the person on whose life an annuity payable according to an annuity agreement is based and at whose death the payment of the annuity ceases.  

  • Annual rate of natural increase

    In vital statistics, the difference between the annual birth rate and the annual death rate when the birth rate exceeds the death rate.  

  • Annual increments

    In teaching, standard salary increases related to the number of years of teaching experience.  

  • Annual growth rate

    The percentage of the population increase over the past year.  

  • Annoyers and satisfiers

    In education, technology used by Thorndike to clarify his law of effect in learning: synonymous with rewards and punishments, failures and successes; pleasantness and unpleasantness; satisfaction and dissatisfaction, as they relate to the learner in and during the learning process.  

  • Annotation

    Notes or commentaries in addition to the principal text. A book is said to be annotated when it contains marginal notes.  

  • Anisophoria

    Heterophobia. Eye muscle imbalance so that the horizontal visual plane of one eye is different from that of the other.  

  • Anisometropia

    Different visual acuity of the two eyes. A state where the refraction in the two eyes is different. A condition in which the refractive status of the two eyes differ. A condition in which the two eyes each see an object as of a different size and shape. A large difference in the refractive power…

  • Anisocytosis

    A lack of uniformity in the size of the red blood corpuscles. A variation in size of red blood cells. An increase in variation of the size of cells, frequently used in reference to red blood cells. An excessive variation in size between individual red blood cells. Anisocytosis may be noted on microscopical examination of…

  • Aniseikonia

    A visual condition characterized by images formed on the retinas of both eyes are unequal in size or shape. A condition in which the size or shape of the ocular image of one eye differs from that of its fellow eye. A condition in which the size and shape of the ocular image of one…