different between attenuation vs degradation

English

Etymology

From Middle English attenuacioun, a borrowing from Latin attenu?ti? (“a diminishing”). Equivalent to attenuate +? -ion.

Pronunciation

• Rhymes: -e???n

Noun

attenuation (countable and uncountable, plural attenuations)

1. A gradual diminishing of strength.
2. (physics) A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal.
3. (biology) A weakening in the virulence of a pathogen or other microorganism.
4. (botany) The tapering of a leaf etc to a fine point.
5. (engineering) A fabrication process in which a material is stretched out into a thin shape.
6. (homeopathy) The reduction of the active principles of medicines to minute doses.
7. (brewing) The proportion of sugar that is converted to ethanol by a yeast.

Derived terms

Related terms

• attenuate
• tenuous
• thin

Translations

English

Etymology

From French dégradationMorphologically degrade +? -ation

Pronunciation

• (UK) IPA^(key): /?d?????de???n/
• Rhymes: -e???n

Noun

degradation (countable and uncountable, plural degradations)

1. The act of reducing in rank, character, or reputation, or of abasing; a lowering from one's standing or rank in office or society
   • 1912, Charles DeLano Hine, Letters from an old railway official: Letter 7

     This feature of good organization, the conferring of definite local superior rank, and the protection of the incumbent from unnecessary degradation, was discovered centuries ago by another effective institution, the Catholic church.

2. The state of being reduced in rank, character, or reputation; baseness; moral, physical, or intellectual degeneracy; disgrace; abasement; debasement.
3. Diminution or reduction of strength, efficacy, or value; degeneration; deterioration.
4. (geology) A gradual wearing down or wasting, as of rocks and banks, by the action of water, frost etc.
5. A deleterious change in the chemical structure, physical properties or appearance of a material from natural or artificial exposure.
6. The state or condition of a species or group which exhibits degraded forms; degeneration.
7. Arrest of development, or degeneration of any organ, or of the body as a whole.
8. The gradual breakdown of components of a material, as a result of a natural element, i.e.: heat, cold and wind.

Hyponyms

• biodegradation
• graceful degradation
• Marker degradation

Related terms

• (reducing in rank, character, or reputation): comedown
• decomposition

Translations

Anagrams

• gradationed