Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To greet someone who has just arrived.

intellectual and practical activity encompassing systematic study of structure and behaviour of physical and natural world.

specialist in particular branch of study. Educated people who attend or attended school.

ability to read and write.

Organization studying science, engineering etc.. To start or commence doing, e.g. a business plan.

Concerning reality or the laws of nature.

To make something larger in size, number, amount.

grounds and buildings of university or college. Grounds of an institution, e.g. a university.

set of related measures. Small books of events in a play, concert or movie. To write computer code for a piece of software.

To use an object to block a hole.

A task or role someone is given to do.

Any of a group of RNA viruses that cause a variety of diseases in humans and other animals..

To stop being open for business.

place of study or training in special field.

action of helping or doing work for someone. Maintenance of machineries so it runs well, e.g. cars. To help or do work for someone, e.g. in a store.