"Syntheses" is a word in ENGLISH

A resolution of anything, whether an object of the senses or of the intellect, into its constituent or original elements; …

Synthesis as opposed to analysis.

The union of different ingredients in one mass; mixture; combination; synthesis.

Composition, or the putting of two or more things together, as in compounding medicines.

The art or process of making a compound by putting the ingredients together, as contrasted with analysis; thus, water is …

The combination of separate elements of thought into a whole, as of simple into complex conceptions, species into genera, individual …

One who employs synthesis, or who follows synthetic methods.

To combine by synthesis; to unite.

To produce by synthesis; as, to synthesize albumin.

Artificial. Cf. Synthesis, 2.

Of or pertaining to synthesis; consisting in synthesis or composition; as, the synthetic method of reasoning, as opposed to analytical.