To lean, support or place something against.

characterized by absence of distinguishing features. no. The opposite to a positive electrical charge. refuse to accept.

(Of battery) full of electricity. To ask for money as a price for a service or goods.

A substance important for making bones and teeth.

used for or engaged in speech. action of conveying information or expressing one's feelings in speech. To be able to use a certain language.

To make someone notice and become interested in.

Any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes. lipid containing phosphate group in its molecule.

A measure of how steep something is.

Having the charge produced by electrons. positive quality.

individual items of clothing suitable for wearing in different combinations. To move things away from each other.

In a harmful, unwanted or unhelpful manner.

sea area. Long holes dug in the ground, e.g. to move water. To dig a long hole for carrying water.

To use facts, evidence to show truth or clarity.

continuing or valid to final destination. From the beginning of something until the end. moving in one side and out of other side of.

cover or enclose in paper or soft material.