Mountaineering is a noun.
The European term for mountaineering is usually mountaineering but it is occasionally called alpinism.
It's used in Mountaineering.
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 base word of mountaineering is "mountain."
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 of "came" is a verb.