Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
Pentecost
Pentecostal
Pentelic marble
pentene
penthouse
pentimento
Pentland Firth
pentlandite
pentobarbital sodium
pentobarbitone sodium
pentode
pentosan
pentose
pentose phosphate pathway
pentoxide
pentstemon
pentyl
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

pentagon

pen·ta·gon [ péntə gòn ] (plural pen·ta·gons)


noun 
Definition:
 
5-sided figure: a two-dimensional geometric figure formed of five sides and five angles

[Late 16th century. Via late Latin< Greek pentagōnon< pentagōnos "five-angled" < penta- "five" + gōnia "angle"]

pen·tag·o·nal [ pen tággən'l ] adjective
pen·tag·o·nal·ly adverb
Advertisement

© 2009 Microsoft