noun. a plant sterol that is converted into vitamin D by ultraviolet radiation.
- steroid alcohol
- ergo- (English)
- ἔργον (Ancient Greek (to 1453))
- sterol (English)
Example sentences of the word ergosterol
1. Noun, singular or mass
Fungi use this enzyme to make a substance called ergosterol, a substance similar to cholesterol and a vital part of the cell membrane of the fungi.