Glossary

Select a subject
Search for a definition...
Back to the Glossary
A
B
C
D
E
F
G
H
I
K
L
M
N
O
P
Q
R
S
T
U
V
W
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.

273,15 K (0oC) and 100 kPa

the stratopause is the end of the stratosphere.

the stratosphere extends from a height of 10 km to 50 km above the surface of the Earth.

an acid that ionises completely, e.g. HCl, HNO3 and H2SO4

a base that ionises completely, e.g. NH3, NaOH.

Pages