a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments
a compound made artificially by chemical reactions
of a proposition whose truth value is determined by observation or facts; "`all men are arrogant' is a synthetic proposition"
systematic combining of root and modifying elements into single words
involving or of the nature of synthesis (combining separate elements to form a coherent whole) as opposed to analysis; "limnology is essentially a synthetic science composed of elements...that extend well beyond the limits of biology"- P.S.Welch
not genuine or natural; "counterfeit rhetoric that flourishes when passions are synthetic"- George Will
the violent interaction of individuals or groups entering into combat; "the armies met in the shock of battle"
an unpleasant or disappointing surprise; "it came as a shock to learn that he was injured"
an instance of agitation of the earth's crust; "the first shock of the earthquake came shortly after noon while workers were at lunch"
a bushy thick mass (especially hair); "he had an unruly shock of black hair"
a pile of sheaves of grain set on end in a field to dry; stalks of Indian corn set up in a field; "corn is bound in small sheaves and several sheaves are set up together in shocks"; "whole fields of wheat in shock"
(pathology) bodily collapse or near collapse caused by inadequate oxygen delivery to the cells; characterized by reduced cardiac output and rapid heartbeat and circulatory insufficiency and pallor; "loss of blood is an important cause of shock"
subject to electrical shocks
collect or gather into shocks; "shock grain"
collide violently
strike with horror or terror; "The news of the bombing shocked her"
surprise greatly; knock someone's socks off; "I was floored when I heard that I was promoted"
strike with disgust or revulsion; "The scandalous behavior of this married woman shocked her friends"
physical therapy involving the therapeutic use of crafts and hobbies for the rehabilitation of handicapped or convalescing patients (especially for emotionally disturbed patients)
any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep; "he believes that narcolepsy is attributable to an inability to suppress REM sleep during waking"