soya-basedadj.
/ˈsɔɪəˌbeɪst/, U.S. /ˈsɔɪəˌbeɪst/ 1. Derived or made from soybeans, now esp. as an environmentally sustainable alternative to other materials. Now less common than soy-based (soy-based adj. 2) in most varieties of English, particularly in North American usage, where soya-based is relatively rare.
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1953 Pioneer Rec. (Ida Grove, Iowa) 13 Aug. 4 (advt.) A soya-based paint..will not ‘after-yellow’ easily.
1975 Daily News (N.Y.) 15 May 97/2 He's also developed a line of soya-based products to keep the hair clean and in condition.
2005 Scotl. on Sunday (Nexis) 18 Dec. 31 Soya-based candles are popular with the environmentally conscious as soya is a renewable energy source that doesn't produce carcinogens.
2. spec. Designating food or drink consisting of or derived from soybeans; (in later use) esp. designating such food or drink consumed in preference to meat or animal products. Also of a diet: consisting principally of such food. Now less common than soy-based (soy-based adj. 1) in most varieties of English, particularly in North American usage, where soya-based is relatively rare.
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1954 Altoona (Pa.) Mirror 6 Nov. 14/5 The feeding project..has demonstrated to our satisfaction that the soya-based vegetable protein supplement..is as effective as one using cow's milk.
1982 Globe & Mail (Toronto) (Nexis) 22 May Satay, the regional classic, is pork chunks marinated and grilled on skewers with a soya-based sauce.
1995 Chem. in Brit. Oct. 756/1 Soya-based protein products..have been developed as meat substitutes.
2017 MailOnline (Nexis) 5 Apr. Their findings also revealed that a soya-based diet reduces the risk of diabetes by 28 per cent, coronary heart disease by 4 per cent and stroke by 36 per cent.
This is a new entry (OED Third Edition, June 2022).
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adj.1953