Cement is a noun and a verb.
It's made up from partially cement
Portland Cement Company and Nebraska Cement Company (both formerly part of the Ideal Cement Company.)
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "indefinite" is an adjective.