COMMUNICATIONS RETINAL CYSTS ANDRETINOSCHISIS* BY C. G. KEITH DepartmentofPathology, Institute ofOphthalmology, University ofLondon SINCE the term retinoschisis came into commonophthalmological parlance, it has oftenbeenusedas thoughthe conditionwereadefinite entity, differing fromretinal cysts bythe process byWhichit arose.
The definition of imperative is something that has authority or is absolutely necessary. 1  An example of imperative is the power that a government has over its people.  An example of imperative is the decision to give a cesarean in a breach birth.
Use imperative in a sentence. Show more usage examples... Kant's moral theory comes down to what is called the moral imperative , which states that one ought not perform an action unless one feels it is permissible for everyone to perform that same action.earby Terms. 1  impact fee. 2  impact/value fr... 3  impaired insure... 4  impaired proper... 5  impairment. 6  impairment char... 7  impairment of c... 8  impairment of l... 9  imperative. 10  imperfect compe... 11  imperfect defen... 12  imperfect infor... 13  imperfection. 14  imperial system. 15  impersonal acco... 16  impersonal comm... 17  impersonal serv...