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.
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