IV

endometrial carcinoma extending outside the true pelvis or involving the bladder and rectum [International Federation of Gynecologists and Obstetricians (FIGO) classification]; ichnovirus; ichthyosis vulgaris; immunodeficiency virus; initial visit; interventricular; intervertebral; intravaginal; intravascular; intravenous; intraventricular; intravertebral; invasive; in vivo; in vitro; involvement of one or more extralymphatic organs [Ann Arbor staging system for Hodgkin disease]; iodine value; iridescent virus; iridovirus; isometric virus; symbol for class 4 controlled substances

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IV abbr

1) intravenous; intravenously

2) intraventricular

IV 'ī-'vē n, pl IVs an apparatus used to administer a fluid (as of medication, blood, or nutrients) intravenously also a fluid administered by IV

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intravenous; see also under injection.