Changes from one system to another or makes something do this.

an accident in which a person that is moving crashes into something.

too big to be carried or stored easily.

the possibility to develop or achieve something in the future.

Making small changes to something in order to make it as good or as effective as possible.

the moment when you suddenly have a great idea, or find the answer to a problem.

applying for an official document that gives someone who has invented something the legal right to make or sell that invention for a particular period of time, and prevents anyone else from doing so.

an effect or an influence.

hanging or swinging without anything stopping it.

Using new methods, or achieving new results.

an extremely unpleasant experience, especially one that lasts for a long time.