Webster's Revised Unabridged Dictionary (1913 + 1828)
result(s) from the 1913
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 or war.
4. Pertaining to the inner being or the heart; spiritual.
With our Savior, internal purity is everything.
5. Intrinsic; inherent; real. [R.]
The internal rectitude of our actions in the sight of God.
6. (Anat.) Lying toward the mesial plane; 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.