Word: plinthites
Part of speech: Noun
Syllables: plin
thites
Definition: Plural of plinthite; an iron-rich, humus-poor mixture of clay with quartz and other minerals
Morphemes:
Affix: plinthite
Language: en
PoS: Noun
Meaning: A form of clay that is rich in iron and poor in humus
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).