Psychological Disorders List - Symptoms and Diagnosis. This psychological disorders list and directory has been abbreviated from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV). This manual is the most widely used diagnostic criteria for the classification of psychological disorders. Adjustment Disorders.
pest â(plural pests). ( 1 originally) A plague, pestilence, epidemic. 2  An annoying, harmful, often destructive creature. 3  An annoying person.( 4 Britain, slang) Someone with poor social discipline who continually bothers uninterested women.est â(plural pests). ( 1 originally) A plague, pestilence, epidemic. 2  An annoying, harmful, often destructive creature. 3  An annoying person.
According to the fourth declension the plural genitive of virus in Latin is viruum and therefore an Index of Viruses is in Latin an Index Viruum. Virorum is the plural genitive of the Latin noun vir (second declension) meaning man or husband. Consequently an Index Virorum would indicate a list of husbands or men.o what we have here is something of a mixed or invariant declension. Trying to find a plural for something that didn't take a plural (possibly because it was not a count but a mass noun), or at least, one for which no plural is classically attested, is a fruitless endeavour. Best to stick with English and use viruses.