In*tern"al (?), a. [L. internus;
akin to interior. See Interior.]
1. Inward; interior; being within any limit
or surface; inclosed; -- opposed to external; as, the
internal parts of a body, or of the earth.
2. Derived from, or dependent on, the thing
itself; inherent; as, the internal evidence of the divine
origin of the Scriptures.
3. Pertaining to its own affairs or
interests; especially, (said of a country) domestic, as opposed to
foreign; as, internal trade; internal troubles
4. Pertaining to the inner being or the
With our Savior, internal purity is
5. Intrinsic; inherent; real. [R.]
The internal rectitude of our actions in the
sight of God. Rogers.
6. (Anat.) Lying toward the mesial
Internal angle (Geom.), an interior
angle. See under Interior. -- Internal
gear (Mach.), a gear in which the teeth project
inward from the rim instead of outward.
Syn. -- Inner; interior; inward; inland; inside.