1. Denoting or characterized by invasion. 2. Denoting a procedure requiring insertion of an instrument or device into the body through the skin or a body orifice for diagnosis or treatment.

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in·va·sive -siv, -ziv adj
1) tending to spread esp tending to invade healthy tissue <\invasive cancer cells>
2) involving entry into the living body (as by incision or by insertion of an instrument) <\invasive diagnostic techniques>
in·va·sive·ness n

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in·va·sive (in-vaґsiv) 1. pertaining to or characterized by invasion. 2. involving puncture or incision of the skin or insertion of an instrument or foreign material into the body; said of diagnostic techniques.

Medical dictionary. 2011.

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  • Invasive — In*va sive, a. [LL. invasivus: cf. F. invasif. See {Invade}.] 1. Tending to invade; characterized by invasion; aggressive. Invasive war. Hoole. [1913 Webster] 2. (Med.) tending to spread, especially tending to intrude into healthy tissue; used… …   The Collaborative International Dictionary of English

  • invasive — ► ADJECTIVE 1) tending to invade or intrude: invasive grasses. 2) (of medical procedures) involving the introduction of instruments or other objects into the body …   English terms dictionary

  • invasive — index intrusive, obtrusive, offensive (taking the initiative) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • invasive — (adj.) mid 15c., from M.Fr. invasif (15c.), from M.L. invasivus, from invas , pp. stem of invadere (see INVASION (Cf. invasion)) …   Etymology dictionary

  • invasive — in|va|sive [ınˈveısıv] adj 1.) invasive medical treatment involves cutting into someone s body ▪ invasive surgery 2.) an invasive disease spreads quickly and is difficult to stop ▪ invasive bladder cancers …   Dictionary of contemporary English

  • invasive — in|va|sive [ ın veısıv ] adjective 1. ) MEDICAL invasive medical treatment involves putting something into the body or cutting into the body: invasive diagnostic techniques a ) an invasive disease spreads within the body and is difficult to treat …   Usage of the words and phrases in modern English

  • invasive — [[t]ɪnve͟ɪsɪv[/t]] 1) ADJ GRADED: usu ADJ n You use invasive to describe something undesirable which spreads very quickly and which is very difficult to stop from spreading. They found invasive cancer during a routine examination. 2) ADJ GRADED:… …   English dictionary

  • invasive — UK [ɪnˈveɪsɪv] / US adjective 1) medical invasive medical treatment involves putting something into someone s body or cutting into someone s body invasive diagnostic techniques 2) medical an invasive disease spreads within the body and is… …   English dictionary

  • invasive — adjective 1. relating to a technique in which the body is entered by puncture or incision • Ant: ↑noninvasive • Topics: ↑medicine, ↑medical specialty 2. marked by a tendency to spread especially into healthy tissue invasive cancer cells …   Useful english dictionary

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