Also spelled definit. E.g. RICHARD C. TOLMAN; “Equilibria in dispersed systems and the thermodynamic theory of theory of colloids”; Journal of the American Chemical Society; American Chemical Society; April 1913; 35 (4): pp. 317–333.: consistently throughout.
And derivatives, such as definitly.
—DIV (184.108.40.206 06:43, 31 March 2008 (UTC))