From King Dictionary of Contemporary English incidence in‧ci‧dence / ˈɪnsɪd əns / AWL noun [countable usually singular ] formal AMOUNT the number of times something happens, especially crime, disease etc → rate incidence of Why did the incidence of heroin use continue to climb? high/low etc incidence Smokers had the highest incidence of colds. Examples from the Corpus incidence • a neighborhood with a high incidence of drug and alcohol abuse • Poverty is one of the reasons for the high incidence of crime in this district. • There is a higher incidence of suicide among women than men. • The reported incidence of this crime rose 28. 6 percent between 1974 and 1983, more than any other major offense. • Since the early 1970s the incidence of breast cancer has increased by about 1% per year. • From the mid 1880s there was a marked increase in the incidence of strikes. • Furthermore, in comparison with men the incidence of pancreatitis discharges in women did not increase between 1970 and 1989. • Special preconceptual care designed to reduce the incidence of congenital malformation is also examined from this point of view. • In this respect the incidence of neurosis seems inversely proportional to social disorder. • Why then is the rate of circumcision up to six times greater than the incidence of preputial pathology? • The true incidence of this varies and is greatly influenced by the experience and skill of the surgical team. high/low etc incidence • There has been a high incidence of political succession by means of military coups d'é tat. • But the case for amiodarone is not proved, and it has been associated with a higher incidence of sudden death. • Introduction Old people have the highest incidence of dementia, a condition with over 100 distinct causes. • Because of the low incidence of the disorder such services can never be comprehensively and efficiently provided at district level. • The high incidence of biliary leakage could not be easily explained. • Portacaval shunt surgery has not enjoyed great popularity because of the very high incidence of postoperative encephalopathy in the elderly. From King Business Dictionary incidence in‧ci‧dence / ˈɪnsɪd əns / noun [singular ] 1 TAX the effect of a particular tax on people or organizations, and how much they have to pay The structure of production may influence the incidence of taxation. 2 the number of times something happens The incidence of new product failure is very high.