libido

名词noun

1. 1common usageSexual urges or drives.
2. 2(psychology) Drives or mental energies related to or based on sexual instincts but not necessarily sexual in and of themselves.
3. 3(astronomy, archaic or misused, an occasional carry-over from astrology to astronomy) Synonym of albedo in terms of a planet's, such as that of Mars, average surface spectral reflectivity.