| intrauterine |
existing or occurring within the uterus. |
| intrauterine device |
a small plastic or stainless steel coil or similar object inserted into the uterus to prevent conception; IUD. |
| intravenous |
existing within or entering through a vein or veins. |
| intrench |
entrench. |
| intrepid |
feeling or showing no fear; courageous; bold. |
| intricacy |
the state of being complex and involved in construction or aspect. [2 definitions] |
| intricate |
having many complexly interrelated parts, angles, or aspects; involved; elaborate. |
| intrigue |
to strongly draw the interest of; puzzle; fascinate. [7 definitions] |
| intrinsic |
being essential to or of the nature of a thing; inherent. |
| intrinsic factor |
a substance secreted by the stomach that promotes the body's ability to absorb vitamin B12. |
| intro- |
inward; into; in. |
| introduce |
to present (a person) to one or more people. [6 definitions] |
| introduction |
the act or process of introducing. [6 definitions] |
| introductory |
serving to introduce. |
| introit |
the beginning of the Roman Catholic mass, consisting of a psalm or hymn, and antiphon. [2 definitions] |
| intromit |
to allow, cause, or assist to enter; introduce; admit. |
| introrse |
in botany, facing inward; turned toward the center. (Cf. extrorse.) |
| introspect |
to examine or consider one's own thoughts, feelings, and sensations. |
| introspection |
examination of one's own thoughts, emotions, and sensations; self-scrutiny. |
| introspective |
looking inward and examining one's own thoughts or feelings, or tending to do so. |
| introversion |
the tendency to pay more attention to oneself than to others or the external world. (Cf. extraversion.) |