Word: heptagonal
Part of speech: Adjective
Syllables: hep
tag
o
nal
Definition: Belonging to the sequence generated by the formula \frac{5n^2 - 3n}2.
Morphemes:
Affix: hepta-
Language: en
PoS: Prefix
Meaning: seven
Etymology Compounds: Affix: ἑπτά
Language: grc
Decoded: epta
Meaning: seven
Affix: -gon
Language: en
PoS: Suffix
Meaning: Forms the names of plane figures containing a given number of angles, and thus bounded by that number of line segments (polygons). If the number is large enough, it can take the hyphenated suffix directly.
Etymology Compounds: Affix: γωνία
Language: grc
Decoded: gonia
Meaning: corner, angle
Affix: -al
Language: en
PoS: Suffix
Meaning: Of or pertaining to. Adjectival suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used with other words also.