calcium

As nouns the difference between calcium and terms

is that calcium is calcium while terms is .

As nouns the difference between calcium and lactose

is that calcium is calcium while lactose is .

As a noun calcium

is calcium.

As an adjective undefined is

lacking a definition or value.

In countable terms the difference between calcium and oxygen

is that calcium is an atom of this element while oxygen is an atom of this element.

As nouns the difference between calcium and oxygen

is that calcium is a chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks while oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.

As nouns the difference between calcium and anxiety

is that calcium is a chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks while anxiety is an unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.

As nouns the difference between calcium and helium

is that calcium is calcium while helium is helium.

As a noun calcium

is calcium.

As an initialism salt is

(politics) strategic]] arms limitation [[talks|talks.

As a noun calcium

is calcium.

As a proper noun xanax is

alprazolam.

In countable terms the difference between iron and calcium

is that iron is a tool or appliance made of metal, which is heated and then used to transfer heat to something else; most often a thick piece of metal fitted with a handle and having a flat, roughly triangular bottom, which is heated and used to press wrinkles from clothing, and now usually containing an electrical heating apparatus while calcium is an atom of this element.

As nouns the difference between iron and calcium

is that iron is a common, inexpensive metal, often black in color, that rusts, is attracted by magnets, and is used in making steel while calcium is a chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks.

As an adjective iron

is made of the metal iron.

As a verb iron

is to pass an iron over (clothing or some other item made of cloth) in order to remove creases.