释义 |
ta·chys·ter·ol \taˈkistəˌrȯl, təˈk-, -rōl\ noun Etymology: tachy- + sterol : an oily liquid alcohol C28H43OH isomeric with ergosterol that is formed by ultraviolet irradiation of ergosterol or lumisterol and that on further irradiation yields vitamin D2 — compare dihydrotachysterol |