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17 points
SYNTHETIC is validvalid
[n SYNTHETICS]
artificially produced but of similar nature to, not a mere substitute for, the natural product, also SYNTHETICAL [adj SYNTHETICALLY] / a synthetic substance [n -S]
[n SYNTHETICS]
artificially produced but of similar nature to, not a mere substitute for, the natural product, also SYNTHETICAL [adj SYNTHETICALLY] / a synthetic substance [n -S]