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decagon

Line breaks: deca|gon
Pronunciation: /ˈdɛkəɡ(ə)n
 
/

Definition of decagon in English:

noun

A plane figure with ten straight sides and angles.
Example sentences
  • How much more sacred than our triangle would be a square, a pentagon, a decagon, a figure with a hundred sides?
  • Decagons Here is a decagon - a 10-sided regular polygon with all its angles equal and all its sides the same length - which has been divided into 10 triangles.
  • You can buy 10-sided dice (bi-pyramids) or else you can cut out a decagon (a 10-sided polygon with all sides the same length) from card and label the sides from to 9.

Origin

mid 17th century: via medieval Latin from Greek dekagōnon, neuter (used as a noun) of dekagōnos 'ten-angled'.

Derivatives

decagonal

1
Pronunciation: /dɪˈkaɡ(ə)n(ə)l/
adjective
Example sentences
  • We find that some atoms leave the decagonal layers to form icosahedral clusters.
  • The first few odd decagonal numbers are 1, 27, 85, 175, 297,…, and the first few even decagonal numbers are 10, 52, 126, 232, 370, 540,….

Words that rhyme with decagon

Cadogan

Definition of decagon in:

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