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norethynodrel

[nawr-uh-thahy-nuh-druh l, naw-reth-uh-nuh-drel] /ˌnɔr əˈθaɪ nə drəl, nɔˈrɛθ ə nəˌdrɛl/
noun, Pharmacology
1.
a progestin, C 2 0 H 2 6 O 2 , used in combination with an estrogen in some oral contraceptives.
Origin
1955-1960
1955-60; nor- + ethyn(yl), components of 2 versions of its chemical name + -odrel, of uncertain derivation
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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