Word: preproproteins
Part of speech: Noun
Syllables: pre
pro
pro
teins
Definition: Plural of preproprotein;  is an inactive protein (or peptide) that can be turned into an active form by post-translational modification, such as breaking off a piece of the molecule or adding on another molecule
Morphemes:
Affix: pre-
Language: en
PoS: Prefix
Meaning: Before; physically in front of; anterior.
Etymology Compounds: Affix: prae-
Language: la
Decoded: prae-
PoS: Prefix
Meaning: before; in front
Affix: pro-
Language: en
PoS: Prefix
Meaning: substituting for
Etymology Compounds: Affix: pro
Language: la
Decoded: pro
Meaning: in favour of, on behalf of
Affix: protein
Language: en
PoS: Noun
Meaning: Any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.
Etymology Compounds: Affix: πρωτεῖος
Language: grc
Decoded: proteios
Meaning: primary
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form the plurals of numerals, letters, some abbreviations and some nouns, usually because the omission of an apostrophe would make the meaning unclear or ambiguous.