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

Being kept from harm.

in space separating things. In the space that separates two objects.

Having had your attention taken; curious. To make someone want to know about something.

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

person who carries out academic or scientific research. People who work to find new facts and ideas.

contained as part of whole being considered. To make someone, something part of a group.

substance used to stimulate production of antibodies and provide immunity against diseases. Immunogens consisting of a suspension of weakened or dead pathogenic cells injected inorder to stimulate the production of antibodies.

To cover an area from one point to another.

To give money, etc. to charity, party, etc..

unite or merge.

ability to produce desired or intended result.

particular land with own government. Areas of land that is controlled by a government.

long thick pillow. To prop up or support (e.g. a wall).

having specified appearance. To appear to be when you look at them; seem.