Glossary

Select a subject
Search for a definition...
Back to the Glossary
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

Looking for a quick definition?

We’ve got loads of key subject terms in our subject glossaries. There are three ways of finding what you are looking for:

  • First click on the letters of the alphabet to browse for terms.
  • Select a subject from the drop-down menu above to filter the terms by Subject.
  • Or lastly, type the term you are looking for into the search box.

EXAMPLES

Here are some examples of the kinds of definitions you’ll find on this page.

Subject:

a method of ordering the age of different fossils, relative to each other, without working out...

the mass of a formula unit relative to one atomic mass unit.

Subject:

the ratio of the number of times a particular event is recorded, to the total number of trials...

Subject:

amount of water vapour in the air in relation to the temperature of the air

the sum of the atomic masses of the atoms in a molecule.

Pages