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A drug that is a selective estrogen receptor modulator, C26H29NOS, used in the form of its citrate primarily to treat breast cancer in women whose tumors are estrogen-dependent and to prevent breast cancer in high-risk women.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Pathology) a drug that antagonizes the action of oestrogen and is used to treat breast cancer and some types of infertility in women
[C20: altered from t(rans-) + am(ine) + oxy-2 + phen(ol)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ta•mox•i•fen(təˈmɒk sə fən, -ˌfɛn)
a drug, C26H29NO, that blocks the estrogen receptors on cancer cells, used to treat breast cancer and to prevent recurrence or occurrence of breast cancer in high-risk people.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||tamoxifen - an antagonist for estrogen that is used in the treatment of breast cancer|
antagonist - a drug that neutralizes or counteracts the effects of another drug
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English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.