noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A steroid formed by the metabolism of progesterone; it is excreted in the urine of pregnant women. countable, uncountable
2. 2
   a compound found in women's urine during certain phases of the menstrual cycle and in the urine of pregnant women wordnet

Etymology

From pregnane + diol.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.