com·plex·o·met·ric \kəmˌpleksəˈme.trik, (ˌ)käm-\adjective (-es) Etymology:complex (I) + -o- + -metric : of, relating to, or being a titration in which a complexing agent (as EDTA) is used as the titrant • com·plex·om·e·try\ˌkämˌplekˈsämətrē, kəm-\noun