plural of phenol formaldehyde resin

plural of ratio formalis

plural of urea-formaldehyde resin

(computing) A standard structure according to which data is encoded in a file.

(mathematics, algebra) Any finite or infinite series of the form a_0+a_1x+a_2x²…=∑ᵢa_ixⁱ, where the aᵢ are numbers, but it is understood that no value is assigned to x.

(American football) An offensive formation in which three running backs line up in a row about five yards behind the quarterback, forming a shape like the letter T.

An outcrop of rock that forms a distinctive shape.

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

(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.

(biology, archaic) The formation of several cells from and in the protoplasm of the mother cell.