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.
Virus is a neuter noun in Latin. That means its plural, if there were an attested ancient usage of virus in the plural, would have ended in an -a, because neuter nouns in (ancient Greek and) Latin end in an -a, in the plural nominative and accusative cases.The example of the plural of datum is a case in point.Since datum is a neuter singular, its plural is data. Viri is the plural of the masculine 2nd declension noun vir, which means 'man'. Vir 'man' is a masculine noun and the -i ending is appropriate for the plural nominative of masculine second declension nouns.Octopus comes from the Greek, so the-us ending does not mark a Latin masculine noun of the second declension.The Greek-based plural is octopodes. By N.S.he example of the plural of datum is a case in point. Since datum is a neuter singular, its plural is data. Viri is the plural of the masculine 2nd declension noun vir, which means 'man'. Vir 'man' is a masculine noun and the -i ending is appropriate for the plural nominative of masculine second declension nouns.