adjective

1. of or having to do with the inside; inner
2. to be taken inside the body internal remedies
3. having to do with the inner nature of a thing; intrinsic internal evidence
4. having to do with the inner being; subjective
5. having to do with the domestic affairs of a country internal revenue
6. 1. Anat. situated toward the inside of the body or closer to its center
   2. existing or occurring inside the body or a body part

Etymology: ML internalis < L internus, inward, internal, akin to inter: see inter-

noun

1. innards; entrails
2. an intrinsic quality or attribute