Wave

A vibrating disturbance by which energy is transmitted.

Wavelength

The distance between identical points on successive waves.

Weak Acids

Acids that ionize only to a limited extent in water.

Weak Bases

Acids that ionize only to a limited extent in water.

Weak Electrolyte

Only partially dissociates, or separates, in water.

Weight

The force that gravity exerts on an object.

Work

Directed energy change resulting from a process.