Pitch. It's the number of characters in 1 inch (25.4mm) of text.
character spacing
Line spacing
The amount of separation between two horizontal surface/Plane
heat refers to the amount of high temperature in air.... and humidity refers to the amount of water in air.....
Distance.
It usually refers to the length of time between the the two events occurring.
Solubility refers to the ability of a solute to dissolve in a solvent. The concentration of a solution refers to the amount of solute that is dissolved.
Elapsed time refers to the time that passes between two events.
That's called the distance.
It is distance
Horizontal Proliferation is trying to stop the increase in the amount of countires with nuclear weapons.
Solubility refers to the ability of a solute to dissolve in a solvent. The concentration of a solution refers to the amount of solute that is dissolved.
A great number of people have a problem with this, which causes quite an amount of trouble. Number refers to something that can be counted. Amount refers to an unknown quantity or something that cannot be quantified, like feelings, intentions, impressions, etc.
Infinity is a quantity, eternity refers to an infinite amount of time.