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 think or accept that something is true.

relating to science or practice of medicine. A health check or test.

(of uranium) having had proportion of U-235 increased. To make someone wealthier; make a life happier.

thing designed or used for inflicting bodily harm or physical damage. Some things that are used for fighting, e.g. guns.

Capable of undergoing nuclear fission.

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

Work done to find or discover knowledge. To study in order to discover new ideas and facts.

To need something, to make it necessary.

To rise or appear out of some background.

action or process of spinning. To convert material such as cotton into thread.

To make a public statement about a plan, decision.

person who conducts negotiations. People holding a discussion to reach agreement.

process of developing or being developed.

machine with rapidly rotating container that applies centrifugal force to its contents. Machine to separate substances in a laboratory. subject to action of centrifuge.