1 [U] [C] (a) synthesis (of sth) the act of combining separate ideas, beliefs, styles, etc; a mixture or combination of ideas, beliefs, styles, etc （不同思想、信念、风格等的）综合（体）: the synthesis of traditional and modern values 传统与现代价值的综合体a synthesis of art with everyday life 艺术与日常生活的一种结合

2 [U] (technical术语) the natural chemical production of a substance in animals and plants 合成（指物质在动植物体内的自然化学生成过程）: protein synthesis 蛋白质的合成

3 [U] (technical术语) the artificial production of a substance that is present naturally in animals and plants 人工合成（法）: the synthesis of penicillin 青霉素的人工合成法

4 [U] the production of sounds, music or speech by electronic means （用电子设备对声音、音乐、话语等的）合成: digital/sound/speech synthesis 数字╱声音╱话语的合成