Ro"ta*tive (?), a. [Cf. F.
rotatif.] turning, as a wheel; rotary;
rotational.
This high rotative velocity of the sun must
cause an equatorial rise of the solar atmosphere.
Siemens.
Rotative engine, a steam engine in which the
reciprocating motion of the piston is transformed into a continuous
rotary motion, as by means of a connecting rod, a working beam and
crank, or an oscillating cylinder.