noun
heptadecagon
hep-tuh-DEK-uh-gon
Heptadecagon (noun) means a polygon with seventeen sides and seventeen angles. Example: “A heptadecagon is far harder to draw freehand than a hexagon.”
noun
1
A polygon with seventeen sides and seventeen angles.
"A heptadecagon is far harder to draw freehand than a hexagon."
"The architect used a heptadecagon as the base of the pavilion."
"Mathematicians study the heptadecagon because it can be constructed using only a compass and straightedge."
How to use heptadecagon
Learner’s notesIn plain EnglishA heptadecagon is a seventeen-sided shape.
When to use it
This is a technical term found in geometry and mathematics rather than everyday conversation.
Memory tip
Break the word into its parts: hepta- (seven) plus deca- (ten) gives seventeen, and -gon signals a shape with angles.
Trace the full origin ↓
Easily confused with
Common pairings
a regular heptadecagon
construct a heptadecagon
draw a heptadecagon
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A _____ is far harder to draw freehand than a hexagon.
Etymology
Heptadecagon combines heptadeca-, a combining form meaning seventeen, with -gon, the ending used for shapes with a given number of angles.
Synonyms
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17-gon
heptakaidecagon
septadecagon
Rhymes for heptadecagon
See all rhymes for heptadecagon →Frequently asked questions
What does heptadecagon mean?
A heptadecagon is a polygon that has seventeen sides and seventeen angles.
Is heptadecagon the same as a 17-gon?
Yes, 17-gon is simply a shorter alternative name for the same shape.
How do you pronounce heptadecagon?
It is said hep-tuh-DEK-uh-gon, with the stress on the third syllable.
What is the meaning of heptadecagon?
"heptadecagon" (noun) means a polygon with seventeen sides and seventeen angles.
