(of headache) severe. action of dividing or being divided into parts. To separate into two or more pieces.

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Allowing you to pass between, or to.

To prevent a person from doing something.

Feeling or action in response to something.

medicine or remedy effective in treating particular disease. Details of some things.

having assets in excess of liabilities. Substance used to dissolve or melt others.

not same as another or each other.

oxide containing two atoms of oxygen in its molecule or empirical formula.

technique for separation of mixture by passing it in solution or suspension through medium in which components move at different rates.

occasionally, rather than all of time.

natural colouring matter of animal or plant tissue. Substance that makes things have a certain color. colour something with or as if with pigment.

Green substance in plants that absorbs energy from sunlight to help them grow.

Person switching from one belief system to another. cause to change in form.

Lack of friendliness toward another person. make distant in position or nature.

Used before you explain something simply, clearly.