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decagon

Pronunciation: /ˈdɛkəg(ə)n/
Definition of decagon

noun

  • a plane figure with ten straight sides and angles.

Derivatives

decagonal

Pronunciation: /dɪˈkag(ə)n(ə)l/
adjective

Origin:

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

decagon in other Oxford dictionaries

Definition of decagon in the US English dictionary

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