(radio) A radio programme format with several presenters chatting informally among themselves.

A natural layer of water inside oil and gas reservoirs.

(photography) A photographic format of 4 × 5 inches (102 × 127 mm) or larger. / (wine) A bottle size larger than the standard 750 mL. / Used other than figuratively or idiomatically: see large, format.

(photography) A photographic format in between full-frame or 35mm (36 × 24 mm) and large format (127 × 102 mm).

plural of file format

this is the hypernym for loan rendering / loan rendition and loan translation, and optionally also for loan creation (usage varies)

(geology) A sequence of Upper Jurassic sedimentary rock in the western United States, noted as the most fertile source of dinosaur fossils in North America.

The overall content broadcast on a radio station, targeted at a more or less specific audience according to a certain type of programming.

plural of rock formation

Alternative spelling of back-formation.