Yes, the noun 'thermometer' is a common noun, a word for any thermometer of any kind, anywhere.
A proper noun is the name of a specific person, place, or thing; for example:
Yes
Yes
Proper noun
on
they both measure temperature
Rust is a common noun.
The noun 'common' is a common noun, a general word for a piece of open land in a town or village for public use; a word for a thing.The noun 'common' is a specific noun for the general noun 'land' or 'area'.
common
Yes, rust is a common noun.
Yes, thermometer is a noun; a singular, common, concrete noun, a word for a thing.
The word thermometer is a noun.
no
they both measure temperature
they both measure temperature
temperature
Common
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.