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 strong ring of smooth muscle at the end of the pyloric canal which lets food pass from the...

Subject:

solid particles emitted by a volcano

Subject:

a molecule formed during glycolysis by the breakdown of glucose.

Subject:

in any right-angled triangle, the square on the hypotenuse equals the sum of the squares on the...

Subject:

an equation that can be written in the form y = ax2 + bx...

Pages