英语词汇“orphan drug”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	orphan drug
释义	orphan drug in British English noun a synthetic pharmaceutical which has not been developed commercially orphan drug in American English noun Pharmacology a drug that remains undeveloped or untested or is otherwise neglected because of limited potential for commercial gain Word origin [1975–80]This word is first recorded in the period 1975–80. Other words that entered Englishat around the same time include: bench press, gravitational lens, methanogen, retrovirus, videotex
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orphan drug in British English