Crying, or the secretion of an excess quantity of tears.
n. the production of excess tears; crying. See also lacrimal apparatus.
n. an organic phosphorus compound, used as a pesticide, that causes poisoning when inhaled, ingested, or absorbed through the skin. Like several other organic phosphorus compounds, it attacks the enzyme *cholinesterase and causes excessive stimulation of the parasympathetic nervous system. The symptoms are headache, sweating, salivation, lacrimation, vomiting, diarrhoea, and muscular spasms. Treatment is by administration of *atropine.... parathion