Notoriously known as 'only plural' nouns (scissors, pants, shorts, glasses)
Can I say (take these one glasses (spectacles), scissors, pants, shorts)?
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One of those items is usually referred to as a pair of X. – fixer1234
These "only plural" nouns are an oddity, and you should not say "one scissors" instead you should use the expression "one pair of scissors". This also applies to short, pants, and glasses.
There are other plural only nouns that are treated like non-count nouns. For example "leftovers". You don't say "one leftover" or "one leftovers", nor can you say "a pair of leftovers". But you can say "A plate of leftovers" or something similar.