(physics) absorbance plus losses due to scattering and luminescence

(physics) Any device that attenuates a signal, but especially an electronic device that reduces the amplitude of a signal

(botany, of leaves) Gradually tapering into a petiole-like extension toward the base.

(transitive) To reduce in size, force, value, amount, or degree. / (transitive) To make thinner, as by physically reshaping, starving, or decaying. / (intransitive) To become thin or fine; to grow less.

A gradual diminishing of strength. / (physics) A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal.

plural of attenuation

plural of attenuant

Enallagma daeckii, a species of damselfly, which is blue in color.

The loss of energy of a signal (due to absorption, dispersion etc) as it travels through a medium; measured in decibels

Synonym of extenuating circumstance