-gestr-

== English == === Etymology === From progestogen +‎ -estr- (“estrogen”). === Pronunciation === IPA(key): /d͡ʒɛ.stɹ/ === Interfix === -gestr- (pharmacology) Used to form names of estrogens. ==== Derived terms ==== ==== Related terms ==== estr- === Anagrams === Gerst, Tregs