definite. To make a choice about; choose after thinking.

exploitation of biological processes for industrial purposes.

Someone thinking in a deep quiet reflective manner.

of no value. not at all. Item of little or no value, importance, interest. Not anything, not a single thing.

To make clear or easy to understand by describing.

Showing that a chemical is present in a test. positive quality.

Used to add new (often different) information.

way people or things differ. Not of the same kinds; unlike other things. alter coat of arms.

of above average extent.

State of feeling pleased; feeling of satisfaction.

person or thing that is being discussed, described, or dealt with. Areas of study at school, e.g. math, history. To cause to suffer or experience something.

Focusing on the bad aspects; pessimistic. no. Reply to a question or statement that means 'no'. refuse to accept.

waiting list.

devoted to task or purpose. To state a person's name in book, song, in respect.

performed using random selection. To arrange in a random order.