Term: acetic anhydride: a compound that is needed in order to refine opium into heroin
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: going-out-of-business sale: a sale of all the tangible assets of a business that is about to close
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: xanthoma disseminatum: rare chronic xanthoma of adults in which orange or brownish papules develop on many surfaces of the body
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: significant digit: any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value)
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: peanut oil: an oil from peanuts; used in cooking and making soap
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: american red elder: common North American shrub or small tree
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: treatment: the management of someone or something
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: genus psittacosaurus: most primitive genus of horned dinosaurs; early Cretaceous
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: ground crew: the crew of technicians and mechanics who service aircraft on the ground
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: calamint: perennial aromatic herbs growing in hedgerows or scrub or open woodlands from western Europe to central Asia and in North America
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: bambuseae: bamboos