(psychology) The 1994 revision of the Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association.

(astronomy) The planet Mars.

(biochemistry) A hexapeptide that has a wide range of activities in the central nervous system.

A hypothetical world war following World War III.

(psychology) The 2000 revision of the Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association.

A large village and civil parish (served by The Ivers Parish Council) in south Buckinghamshire, England (OS grid ref TQ0381).

(dialectal) Alternative spelling of ever

Alternative spelling of Iberia

(medicine, pharmacology) A compound of the avermectin group, used as an anthelmintic in veterinary medicine and as a treatment for river blindness.

(mathematics) A notation that denotes a number that is 1 if the condition in square brackets is satisfied, and 0 otherwise, i.e. (where P is a true or false statement)