noun
Noun.
i don't think there is another name for "corrosion", i mean there are different ways to define "corrosion". you can call it oxydation but is not the exact definition since is just a part of the process "corrosion". http://www.corrosionist.com/Corrosion_Fundamental.htm
Laboratory is a noun.
noun
Ammonia is a noun.
corrosion of what? nothing can, at least not feasible and economical to transform corroded part to its metal state. Corrosion is a irreversible process.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "lecturer" is a noun.