clearly defined or identified. medicine or remedy effective in treating particular disease.

action of blocking or obstructing person or thing. To stop from going forward or making progress.

To make someone, something part of a group.

Fact of increasing; amount something grows by. To make or become larger in size or amount.

change resulting from cause. Tricks used in films to make an event seem real. cause something to happen.

Group of papers with relevant information. Small, thin containers that hold some things. wrap up in packet.

set of things working together as parts of mechanism. Sets of organized planned ideas that work together.

forming base or core. central rule or principle.

piece of mechanical or electronic equipment. To be left to do what you want.

becoming more and more rapid.

action or process of transmitting data, radio signal, or broadcast programme again or on to another receiver.

first or earliest. earliest form of something.

Act to dominate or command; make manageable. direct and supervise.

Object put on public display, e.g. in a gallery. publicly display work of art.

Behaving in a hostile and threatening way.