designating or employing a turbine, pump, etc., in which fluid is constrained to move at right angles to an axis of rotation.

usually attributive (with hyphen) (see quots.).

Flow in a turbine or the like that consists of two or more types (usually radial and axial flow) in succession. Chiefly attributive.

Of a turbofan engine: fitted with a new and typically quieter fan; = refanned adj. at refan, v.2 derivatives.