搀假 (攙假) chānjià

chānjià verb to dilute; to mix with fake material; to adulterate
Domain: Modern Chinese 现代汉语
Notes: (ABC 'chānjià' 搀假, p. 97; CC-CEDICT '攙假'; Guoyu '攙假'; Mathews 1931 '攙假', p. 17; NCCED '搀假', p. 167)