Kalmar "IV" tana da ma'anoni da yawa, dangane da mahallin da aka yi amfani da ita. Ga wasu ma’anoni ƙamus masu yuwuwa:Lambobin Romawa na lamba 4.An gajarta don “intravenous,” tana nufin hanyar sarrafa ruwa ko magunguna kai tsaye zuwa cikin patient's veins. An gajarta don "mai zaman kanta," mai canji a cikin lissafin lissafi ko kimiyya wanda za'a iya sarrafa shi ko canza shi. specialized medical facility for seriously patients An gajarta na "intrauterine device," na'urar hana daukar ciki da ake sakawa cikin mahaifar mace don hana daukar ciki.