The difference between Molar and Tooth

Molar as a noun:

A back tooth having a broad surface used for grinding one's food.

Molar as an adjective:

Of or relating to the molar teeth, or to grinding.

Molar as an adjective (chemistry):

Of, relating to, or being a solution containing one mole of solute per litre of solution.

Molar as an adjective (physics):

Of or relating to a complete body of matter as distinct from its molecular or atomic constituents.

Molar as a noun (chemistry):

unit of concentration equal to one mole per litre

Tooth as a noun:

A hard, calcareous structure present in the mouth of many vertebrate animals, generally used for eating.

Tooth as a noun:

A sharp projection on the blade of a saw or similar implement.

Tooth as a noun:

A projection on the edge of a gear that meshes with similar projections on adjacent gears, or on the circumference of a cog that engages with a chain.

Tooth as a noun (zoology):

A projection or point in other parts of the body resembling the tooth of a vertebrate animal.

Tooth as a noun (botany):

A pointed projection from the margin of a leaf.

Tooth as a noun (animation):

The rough surface of some kinds of cel or other films that allows better adhesion of artwork.

Tooth as a noun (figurative):

liking, fondness, appetite, taste, palate (compare toothsome)

Tooth as a noun (algebraic geometry):

An irreducible component of a comb that intersects the handle in exactly one point, that point being distinct from the unique point of intersection for any other tooth of the comb.

Tooth as a verb:

To provide or furnish with teeth.

Tooth as a verb:

To indent; to jag.

Tooth as a verb:

To lock into each other, like gear wheels.