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Yes, Styrofoam is a proper noun, a trademarked product of the Dow Chemical Company.
However, the word often appears in lowercase in reputable professional publications for any similar product.
A similar usage change occurred with the word mayonniase, which is no longer a proper noun.
What else can I help you with?
Is Park Avenue a common or proper noun?
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Is Rex a common noun or a proper noun?
Exxon is a proper noun
Is Ali a proper noun or common noun?
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
Is bone wars a common noun or a proper noun?
Proper noun
Is The Little Mermaid a common noun or a proper noun?
It is a proper noun, because it is the name of a specific thing.
Is Styrofoam a countable or uncountable noun?
The noun 'Styrofoam' is an uncountable noun as a word for a substance.Some uncountable nouns for substances use a plural form exclusively for 'types of' or 'kinds of''. However, I don't know if there is more than one kind of Styrofoam.
Is Park Avenue a common or proper noun?
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Toyota proper noun or common noun?
Pencil proper or common noun
Is Rex a common noun or a proper noun?
Exxon is a proper noun
Is uncle Joe a proper noun or a proper noun?
proper noun
Is Ali a proper noun or common noun?
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
Is Thanksgiving is a proper noun or a noun?
proper noun
Is bone wars a common noun or a proper noun?
Proper noun
Is The Little Mermaid a common noun or a proper noun?
It is a proper noun, because it is the name of a specific thing.
Is charley Reynolds a proper noun or common noun?
Proper noun or common noun
Is trix common or proper noun?
what is trix
Is the word movie a proper noun or a common noun?
it's a common noun. a proper noun would be Spider-Man.
