Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

Page: (Previous)   1  2
  ALL

M

Mohs’ scale

scale used to compare the hardness of minerals

Molecule

a group of atoms that are chemically joined together

mouth

beginning of the digestive system where food enters the body.


Page: (Previous)   1  2
  ALL