Word: micronut
Part of speech: Noun
Syllables: mi
cro
nut
Definition: A small nut (piece of metal jammed into the rockface to protect a climb).
Morphemes:
Affix: micro-
Language: en
PoS: Prefix
Meaning: Very small.
Affix: nut
Language: en
PoS: Noun
Meaning: A shaped piece of metal, threaded by a wire loop, which is jammed in a crack in the rockface and used to protect a climb. (Originally, machine nuts sense #2 were used for this purpose.)