| intrauterine contraceptive device | <gynaecology> A contraceptive device that is placed within the uterus for the purpose of inhibiting conception. (27 Sep 1997) |
|---|---|
| intrauterine device expulsion | Spontaneous loss of intrauterine devices from the uterus. (12 Dec 1998) |
| focusing device | <microscopy> A device which effectively increases the angular aperture of the electron beam illuminating the object, rendering the focus more critical. (05 Aug 1998) |