Category: H

Mechanical and electronic devices that aid in classroom instruction, e.g., computers. The physical components of the computer (keyboard, cathode ray tube, disk drives, and so on), as contrasted with the computer programs, which are called “software.”  

A term used to categorize individuals with a sense of hearing that is defective but somewhat functional, handicapped. A general term referring to people with ear and hearing problems whose hearing is impaired but can be used for the ordinary purposes of life with a hearing aid.  

Habit forming or addicting drugs derived from opium or identified as narcotics under federal law.  

A constellation of personality characteristics commitment, control, and challenge that has been linked to resistance to stress. In a wide sense, the ability to withstand adverse conditions, but in gardening the use of this term has narrowed to mean frost hardiness, at least in those parts of the world where frost is a major factor…

Materials aimed at sexually arousing a consumer, depicting sexual acts including penetration in close focus, hard-core erotica, soft-core pornography.  

Erotica that explicitly depicts genitals and sexual acts, hard-core pornography.  

A serum protein, alpha globulin in the blood. Protein found in plasma that binds hemoglobin and clears it from wounds; the amount of haptoglobin is increased in certain inflammatory diseases, decreased in hemolytic anemia. A blood protein that combines with hemoglobin; a low level indicates a breakdown of red blood cells, which may occur in…

Single vision; a condition in which an object viewed by two eyes appears as a single object, in contrast to diplopia, in which it appears as two objects.  

A disturbance in the body resulting from excessive use of alcohol. Symptoms vary from person to person and even at different occasions for the same person. Symptoms may include headache, upset stomach, vomiting, thirst, and general weakness. A condition occurring after a person has drunk too much alcohol, with dehydration caused by inhibition of the…

A sliver of cuticle that is loose from around the edge of the finger nail. A piece of torn skin at the side of a nail. A narrow, loose strip of skin near the base of a fingernail in the region of the cuticle. Tearing the fragment usually produces a painful, easily infected sore. A…