attenuation
noun
Forms attenuations
- noun A gradual diminishing of strength.
- noun (physics) A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal.
- noun (biology) A weakening in the virulence of a pathogen or other microorganism.
- noun (botany) The tapering of a leaf etc to a fine point.
- noun (engineering) A fabrication process in which a material is stretched out into a thin shape.
- noun (homeopathy) The reduction of the active principles of medicines to minute doses.
- noun (brewing) The proportion of sugar that is converted to ethanol by a yeast.
Synonyms
Etymology
From Middle English attenuacioun, a borrowing from Latin attenuātiō (“a diminishing”). Equivalent to attenuate + -ion.
Webster’s 1913
- noun The act or process of making slender, or the state of being slender; emaciation.
- noun The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.
Etymology [L. attenuatio: cf. F. atténuation.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “attenuation”, CC BY-SA 4.0. Details