Category: H

  • Horror

    Intense fear, revulsion, or dread caused by seeing or hearing something that is terrifying, shocking, or perceived to be life-threatening to the individual or to others.  

  • Horopter

    The sum of all points in space that have a corresponding point on the retina of the eye.  

  • Hormesis

    The stimulating effect of a low dose of a substance that is toxic in higher doses.  

  • Hopelessness

    Despair; loss of faith in the possibility of a positive outcome. Loss of trust in one’s prospects may give rise to depression, desperation, or antisocial behaviors.  

  • Hooke’s law

    The stress used to stretch or compress a body is proportional to the strain as long as the elastic limits of the body have not been exceeded.  

  • Hoodia gordonii

    A cactuslike herb promoted as a dietary supplement for weight loss. There is no evidence that the herb is effective, and its potentially toxic effects on the liver make it an unwise choice for dieters.  

  • Honorific

    To convey honor upon a person, especially while writing or speaking about an individual.  

  • Honeymoon

    A disease remission, used especially to describe the brief period after the diagnosis of type 1 diabetes mellitus during which no insulin therapy is required.  

  • Homozygosis

    The formation of a zygote by the union of gametes that have one or more identical alleles.  

  • Homotype

    One organ or part similar in form and function to another, as one of two paired parts or organs.