pinin

== English == === Etymology === Acronym of PNN. === Noun === pinin (countable and uncountable, plural pinins) (biochemistry) A protein associated with desmosome (gene) PNN, the pinin gene, which encodes for the pinin protein == Middle English == === Verb === pinin (AB language) alternative form of pynen (“to injure”) == Piedmontese == === Noun === pinin Youngest (smallest) brother. ==== Derived terms ==== Pininfarina