number expressing the central or typical value in a set of data. Total of numbers divided by the number of items. amount to or achieve as average rate or amount over period of time.

contemptuous treatment or behaviour. without being affected by.

in formal and public way.

of great significance or value.

production and discharge of something. A substance (e.g. gas) released into the air.

Of a high ranking job in a company. A senior manager in a business or organization.

Used to add new (often different) information.

moving fast or doing something in short time.

commercial business. associate with.

having or showing good judgement. To be able to tell differences, see shapes, etc..

Able to be trusted to do what needs to be done.

internal combustion engine in which heat produced by compression of air in cylinder. Heavy mineral oils used for power engines.

That surprises you; not expected. Something unexpected that slightly shocks you. cause someone to feel mild astonishment or shock.

constituting number two in sequence. Units of time; one sixtieth of a minute. To agree to support a proposal at a meeting.

public room or building used for specified purpose. Establishment where alcoholic drinks are served.