·adj Artificial. ·cf. Synthesis, 2.
II. Synthetical ·adj Of or pertaining to synthesis; consisting in synthesis or composition; as, the synthetic method of reasoning, as opposed to analytical.
III. Synthetical ·adj Comprising within itself structural or other characters which are usually found only in two or more diverse groups;
— said of species, genera, and higher groups. ·see the Note under Comprehensive, 3.