any of various natural or synthetic steroid hormones, as progesterone, that cause progestational activity, used in birth control pills, in hormone therapy, etc.
: often called proˈgestogen (proʊˈdʒɛstədʒən)
progestin in American English
(prouˈdʒestɪn)
noun
Pharmacology
any substance having progesteronelike activity
Also called: progestogen
Word origin
[1925–30; pro-1 + gest(ation) + -in2]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: chain reaction, dropout, hot spot, recycle, turnaroundpro- is a prefix indicating favor for some party, system, idea, etc., without identitywith the group (pro-British; pro-Communist; proslavery), having anti- as its opposite; -in is a noun suffix used in a special manner in chemical and mineralogical nomenclature(glycerin; acetin, etc.). In spelling, usage wavers between -in and -ine. In chemistry a certain distinction of use is attempted, basic substances havingthe termination -ine rather than -in (aconitine; aniline, etc.), and -in being restricted to certain neutral compounds, glycerides, glucosides, and proteids(albumin; palmitin, etc.), but this distinction is not always observed
Examples of 'progestin' in a sentence
progestin
He suggests looking at brands with less progestin that won't have such a negative impact on your hair.
Times, Sunday Times (2017)
Today’s formulations have about one-tenth the progestin and one-third the estrogen that their progenitors did.
2019, 'These Objects Begin to Tell the Story of Women's History in America', Smithsonianhttps://www.smithsonianmag.com/history/objects-highlight-power-passion-womens-american-history-180971445/