The act of using energy, food or materials; the amount used.

Plan to achieve a desired result. To determine the value or importance of something.

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

separated in relationship by number of steps of descent. To take something off (e.g. clothing).

parts left over after other parts. Bodies of human or animals after it has died. To stay in a place when other people have gone.

action or habit of consuming alcohol. To put water in your body through your mouth.

addition of extra element or amount to something.

make or become worse.

Fact of increasing; amount something grows by. become or make greater in size or degree.

Group of molecules made from amino acids.

forceful or violent effort to get free of restraint. To try very hard to do something difficult.

refusal to accept or comply with something.

characterized by absence of distinguishing features. no. In grammar, containing words such as 'no' or 'not'. refuse to accept.

Having happened or been done before this time.

action or process of filtering something.