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heptagon

1 ENTRIES FOUND:
heptagon /ˈhɛptəˌgɑːn/ noun
plural heptagons
heptagon
/ˈhɛptəˌgɑːn/
noun
plural heptagons
Learner's definition of HEPTAGON
[count] mathematics
: a flat shape that has seven sides and seven angles七边形;七角形

— heptagonal

/hɛpˈtægənəl/ adjective

heptagon

noun

hep·​ta·​gon ˈhep-tə-ˌgän How to pronounce heptagon (audio)
: a polygon of seven angles and seven sides
heptagonal adjective

Illustration of heptagon

Illustration of heptagon

Example Sentences

Recent Examples on the Web At least show some imagination and go for a heptagon next time. Nate Davis, USA TODAY, 9 Sep. 2022 Nearby, the bug must make seven such turns, signifying a heptagon with an equal and opposite amount of negative curvature, the kind in a saddle. Quanta Magazine, 6 Jan. 2015

Word History

Etymology

Greek heptagōnos heptagonal, from hepta + gōnia angle — more at -gon

First Known Use

1570, in the meaning defined above

Time Traveler
The first known use of heptagon was in 1570

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