discrete quantity of energy proportional in magnitude to frequency of radiation.

Reason for which something is done; aim; goal. have as intention or objective.

Show which is part of a larger story.

successfully bring about or reach desired objective or result.

The flow or progress of work done by a company, industry, department, or person.

in way that is true, factual or appropriate.

action of writing computer programs. To write computer code for a piece of software.

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

science of motion. Branch of physics concerned with motion of bodies.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. greet someone arriving in polite or friendly way.

The specific use of a machine, idea, or discovery.

Act of performing something such as a plan.

every person.

Series of events moving from place to place. Electronic equipment consisting of switches. move whole way round.

the principal method of human communication, consisting of words used in a structured and conventional way and conveyed by speech, writing, or gesture. Words or signs used to communicate messages.