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

An oxide containing two oxides per molecule.

A substance important for making bones and teeth.

compound of metal with hydroxide ion OH⁻.

draw into mouth by contracting muscles of lips and mouth to make partial vacuum.

Additional section, e.g. of a newspaper. To add extra to support or make something complete.

degree of remoteness or separation. To take something off (e.g. clothing).

liquid waste or sewage discharged into river.

flowing naturally or supplied to building through pipes and taps. The act of moving your legs to move quickly. To operate or drive something.

To raise something in status, importance, feeling.

act or instance of moving gradually from one image or scene in film to another. become or cause to become incorporated into liquid so as to form solution.

Capable of happening or becoming reality. latent qualities that may be developed.

rise in size, amount, or degree of something. Amount something grows by. To make or become larger in size or amount.

Idea or memory. To have an idea, opinion or belief about something.

in seated position. Being painted or photographed by an artist. To take an exam.