Word: protostar
Part of speech: Noun
Syllables: pro
to
star
Definition: A collection of gas and dust in space with high temperature that usually grows to the point of beginning nuclear fusion and becoming a star.
Morphemes:
Affix: proto-
Language: en
PoS: Prefix
Meaning: Relating to protons and/or positive charge.
Affix: star
Language: en
PoS: Noun
Meaning: A composition of combustible matter used in the heading of rockets, in mines, etc., which, exploding in the air, presents a starlike appearance.