each of four equal or corresponding parts into which something is or can be divided. 3-month period of time for businesses, etc.. To split something into four equal parts.

flowing naturally or supplied to building through pipes and taps. The act of moving your legs to move quickly. To manage or operate a business.

unknown or unspecified person.

To order that something is done.

Referring to any particular kind, type, quantity. at all. Anything or everything needed; no matter what. said as response indicating reluctance to discuss something, often implying indifference. (Used to dismiss what someone is saying).

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.

Acting in a socially aggressive manner; pushy. Toward the front in place; in front. attacking sports player. send letter on to further destination.

To become aware by sight, touch, or hearing.

Having happened or been done before this time.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

with great power or strength.

building or group of buildings where goods are manufactured or assembled chiefly by machine. Buildings where things are made.

Use or knowledge of science in industry etc..

place, amenity, or piece of equipment. Pieces of equipment or buildings with a special use.

To try to establish the truth or nature of.