"the definitive form" is a correct and usable phrase in written English.
You can use it to describe something that is the most authoritative, reliable, or exact form of something. For example: "This textbook presents the definitive form of the scientific theory."
We are only interested here with the substantially definitive form that Jacobi gave to them in the editions of, respectively, 1792 and 1794 (the latter as reproduced in 1820).
The skull of reptiles develops from a post-hatching cranium, the chondrocranium, to its definitive form in adults, the osteocranium [ 15].
A version recited by the blind priest Kakuichi and recorded by a disciple in 1371 is considered the text's definitive form.
For the ancient Greeks, the tale of the Trojan War and the surrounding events appeared in its most definitive form in the Epic Cycle of eight narrative poems from the archaic period in Greece (750 BC – 480 BC).
As I was taught by my Rabbi Jose Faur, the Sephardic tradition, emerging out of the Babylonian academies and finding its definitive form in the many legal works of Moses Maimonides, held the Talmudic texts to be oral literature.
This is consistent with findings that laser ablation of the daughter centriole (a definitive form of disengagement) allows the mother to assemble new daughter centrioles in S phase arrested cells and that daughter centrioles are not capable of becoming mothers during S phase (Lončarek et al., 2010).
For, in seeking to express his feelings for the woman he called Laura, Francesco Petrarch gave definitive form to the sonnet and established himself as the first modern, western poet.
By the end of the 19th century the revolver had reached its definitive form and its highest possible effectiveness as a military weapon.
This compilation owed much in its initial stages to Anselm of Laon (died 1117); it had reached its definitive form by the middle of the 12th century and provided the exegetical norm of the Summa theologiae ("Summation of Theology") of Thomas Aquinas and others.
It reached its definitive form in the 15th century through the preaching of the Dominican Alan de la Roche and his associates, who organized Rosary Confraternities at Douai in France and at Cologne.
