oestriol

US estriol

noun

a weak oestrogenic hormone secreted by the mammalian ovary: a synthetic form is used to treat oestrogen deficiency. Formula: C 18 H 24 O 3

Nearby words

  1. oesophagoscope,
  2. oesophagus,
  3. oestradiol,
  4. oestrid,
  5. oestrin,
  6. oestrogen,
  7. oestrone,
  8. oestrous,
  9. oestrous cycle,
  10. oestrus

Word Origin for oestriol

C20: from oestrin + tri- + -ol 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012