A large scale event usually measured in 10,000's of kilometers and weeks of time; a planetary scale event; e.g. long waves in the jet stream.

The meteorological scale covering an area ranging from the size of a continent to the entire globe.

Meteorological expression referring to synoptic events occurring on a scale of thousands of kilometers, such as warm and cold fronts. Compare mesoscale, microscale.

Larger than nanoscale; often implies a design that humans can directly interact with; too large to be built by a single assembler (one cubic micron of diamond contains 176 billion atoms).