Tornado is the proper term.
No it is not a proper noun. A proper noun is the name of a specific person, place, or thing and is capitalized.
Graphite.
grpahite
V
The word "yawn" means to open, as in the motion when you are tired or bored. The proper male name is Vaughn, with a V not a Y, although Yaughn exists as a family name.
The chemical name for V2O3 is Vandium Trioxide.
the proper name for itis a colt.
mercon or mercon V
The proper name for the 'cello is the violoncello.
the proper name for itis a colt.
Haiti [a proper name is capitalized]
Boston is a proper noun, it is the name of a specific city.
Proper. It is a name of a city in Russia.
The name Myrtle is a proper noun, the name of a person.A proper noun is the name of a specific person, place, or thing.
iron ore is the proper name
The proper name of the Earth's moon is Luna.