going in or turned towards direction opposite to that previously stated. Setting that makes the vehicle go backward. To change something to its opposite.

person who is studying or has expert knowledge of one or more of natural or physical sciences.

Toward what is ahead; in front. Toward the front in place; in front. attacking sports player. send letter on to further destination.

high-level educational institution in which students study for degrees.

Study of very tiny life forms.

To turn something on.

any of more or less distinct parts into which something is or may be divided or from which it is made up. Parts of a book, newspaper, etc.. To divide something into smaller parts.

A thing of any kind.

Not of the same kind; unlike other things.

Something used in treating illness or pain.

consisting of many different connected parts. group of buildings or facilities. cause to form complex.

Way of doing by using special knowledge or skill.

of course of study undertaken after completing first degree. Graduate studying for a further degree.

action of placing person or thing somewhere. Acts of putting some things in a place or position.

From the beginning of something until the end. Over/across an entire place/thing; in every part.