'Internal angle' definitions:

Definition of 'internal angle'

From: WordNet
noun
The angle inside two adjacent sides of a polygon [syn: interior angle, internal angle]

Definition of 'Internal angle'

From: GCIDE
  • Internal \In*tern"al\, a. [L. internus; akin to interior. See Interior.] [1913 Webster]
  • 1. Inward; interior; being within any limit or surface; inclosed; -- opposed to external; as, the internal parts of a body, or of the earth. [1913 Webster]
  • 2. Derived from, or dependent on, the thing itself; inherent; as, the internal evidence of the divine origin of the Scriptures. [1913 Webster]
  • 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. [1913 Webster]
  • 4. Pertaining to the inner being or the heart; spiritual. [1913 Webster]
  • With our Savior, internal purity is everything. --Paley. [1913 Webster]
  • 5. Intrinsic; inherent; real. [R.] [1913 Webster]
  • The internal rectitude of our actions in the sight of God. --Rogers. [1913 Webster]
  • 6. (Anat.) Lying toward the mesial plane; mesial. [1913 Webster]
  • 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. [1913 Webster] Internal-combustion

Definition of 'internal angle'

From: GCIDE
  • Interior \In*te"ri*or\, a. [L., compar. fr. inter between: cf. F. int['e]rieur. See Inter-, and cf. Intimate.] [1913 Webster]
  • 1. Being within any limits, inclosure, or substance; inside; internal; inner; -- opposed to exterior, or superficial; as, the interior apartments of a house; the interior surface of a hollow ball. [1913 Webster]
  • 2. Remote from the limits, frontier, or shore; inland; as, the interior parts of a region or country. [1913 Webster]
  • Interior angle (Geom.), an angle formed between two sides, within any rectilinear figure, as a polygon, or between two parallel lines by these lines and another intersecting them; -- called also internal angle.
  • Interior planets (Astron.), those planets within the orbit of the earth.
  • Interior screw, a screw cut on an interior surface, as in a nut; a female screw.
  • Syn: Internal; inside; inner; inland; inward. [1913 Webster]