oxygen

As a pronoun co

is this; this one.

As a noun oxygen is

a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As nouns the difference between oxygen and mercury

is that oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994 while mercury is a metal.

As a proper noun Mercury is

the Roman god associated with speed, sometimes used as a messenger. He wore winged sandals. Mercury corresponded to the Greek god Hermes.

As a verb chair

is .

As a noun oxygen is

a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As a verb rust

is to grow.

As a noun oxygen is

a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As nouns the difference between oxygen and ox

is that oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994 while ox is an adult castrated male of cattle (B. taurus.

As a proper noun Ox is

a Chinese constellation located near Capricorn, one of the 28 lunar mansions and part of the larger Black Turtle.

As nouns the difference between magnesium and oxygen

is that magnesium is magnesium while oxygen is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As nouns the difference between concentrator and oxygen

is that concentrator is (telecommunications) a hub while oxygen is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As nouns the difference between oxygen and cancer

is that oxygen is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994 while cancer is cancer.

As nouns the difference between oxygen and rain

is that oxygen is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994 while rain is .

In countable|lang=en terms the difference between oxygen and vinegar

is that oxygen is (countable) an atom of this element while vinegar is (countable) any variety of vinegar.

As nouns the difference between oxygen and vinegar

is that oxygen is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994 while vinegar is (uncountable) a sour liquid formed by the fermentation of alcohol used as a condiment or preservative; a dilute solution of acetic acid.

As a verb vinegar is

to season with vinegar .