(organic chemistry) The glucosinolate [(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] 4-methylsulfonyl-N-sulfooxybutanimidothioate

Something which envelops

Misspelling of are.

(historical) The four traditional things targeted for destruction during China's Cultural Revolution, usually translated as old customs, old culture, old habits, and old ideas.