Word: decagonal
Part of speech: Adjective
Syllables: de
cag
o
nal
Definition: Shaped like a decagon.
Morphemes:
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.
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.