/ ˈsɪnθəsɪs; NAmE / noun ( pl. syn·the·ses / -siːz; NAmE /)
1.
[ U , C ] synthesis (of sth) the act of combining separate ideas, beliefs, styles, etc.; a mixture or combination of ideas, beliefs, styles, etc. :
the synthesis of art with everyday life
a synthesis of traditional and modern values
2.
[ U ] ( technical ) the natural chemical production of a substance in animals and plants :
protein synthesis
3.
[ U ] ( technical ) the artificial production of a substance that is present naturally in animals and plants :
the synthesis of penicillin
4.
[ U ] ( technical ) the production of sounds, music or speech by electronic means :
speech synthesis
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WORD ORIGIN
early 17th cent.: via Latin from Greek sunthesis , from suntithenai place together.