Definition of perimeter

Email this page to a friend

< perilymph

perimorph >

pe·rim·e·ter    (p-rm-tr) KEY 

NOUN:

1. Mathematics
   1. A closed curve bounding a plane area.
   2. The length of such a boundary.
2. The outer limits of an area. See Synonyms at circumference.
3. A fortified strip or boundary usually protecting a military position.

---

ETYMOLOGY:
Middle English perimetre, from Latin perimetros, from Greek : peri-, peri- + metron, measure ; see meter²

OTHER FORMS:
peri·metric  (pr-mtrk) KEY  or peri·metri·cal  (-r-kl) KEY (Adjective), peri·metri·cal·ly(Adverb)