Word: octadecagon
Part of speech: Noun
Syllables: oc
ta
de
ca
gon
Definition: A polygon with 18 sides and 18 vertices.
Morphemes:
Affix: octa-
Language: en
PoS: Prefix
Meaning: eight
Etymology Compounds: Affix: ὀκτά-
Language: grc
Decoded: okta-
Meaning: eight
Affix: deca-
Language: en
PoS: Prefix
Meaning: Ten.
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.