the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation

the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation

the ratio of the output to the input of any system

the ratio of the output to the input of any system

the ratio of the output to the input of any system

the ratio of the output to the input of any system

unskillfulness resulting from a lack of efficiency

Furnished with weapons of offense or defense; furnished with the means of security or protection, Furnished with whatever serves to add strength, force, or efficiency

with efficiency; in an efficient manner, With effect; effectively

the ratio of the output to the input of any system, skillfulness in avoiding wasted time and effort, The ratio of the energy delivered by a machine to the energy supplied for its operation