(of headache) severe. action of dividing or being divided into parts. To divide something in an even or fair way.

From one end or side of something to the other. From the beginning of something until the end. Over, in, across an entire thing or place.

To prevent a person from doing something.

action performed or feeling experienced in response to situation or event.

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

having assets in excess of liabilities. liquid in which solute is dissolved to form solution.

not same as another or each other.

An oxide containing two oxides per molecule.

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

Only at certain times; occasionally.

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 pigment, present in all green plants and in cyanobacteria, which is responsible for absorption of light to provide energy for photosynthesis.

person who has changed faith or belief. To change form, character, or function to another.

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

in most essential respects.