| n. pl.   syn·the·ses (-sēz′)  1.  a.  The combining of separate elements or substances to form a coherent whole. b.  The complex whole so formed. 2.  Chemistry   Formation of a compound from simpler compounds or elements. 3.  Philosophy   a.  Reasoning from the general to the particular; logical deduction. b.  The combination of thesis and antithesis in the Hegelian dialectical process whereby a new and higher level of truth is produced. [Latin, collection, from Greek sunthesis, from suntithenai, to put together : sun-, syn- + tithenai, to put; see  dhē- in the Appendix of Indo-European roots.] synthe·sist n. | 
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