They both measure the same thing (temperature!), but use different numbers: Boiling water (at normal pressure) measures 100Â° in Celsius, but 212Â° in Fahrenheit.
Freebase(0.00 / 0 votes)Rate this definition: Manumission is the act of a slave owner freeing his or her slaves. Different approaches developed, each specific to the time and place of a society's slave system. The motivations of slave owners in manumitting slaves were complex and varied.
Illuminance is the amount of light striking a surface â also known as incident light, where the âincidentâ is the beam of light actually landing on the surface. Lumens are a measure of the quantity of light, referred to as luminous flux or just flux, emitted by a light source.