different between attenuation vs dispersion

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 Middle English dispersioun, from Old French dispersion, from Latin dispertio

Pronunciation

• (UK) IPA^(key): /d??sp????n/

  Rhymes: -??(r)??n, -??(r)??n

Noun

dispersion (countable and uncountable, plural dispersions)

1. The state of being dispersed; dispersedness.
2. A process of dispersing.
3. The degree of scatter of data.
4. (optics) The separation of visible light by refraction or diffraction.
5. (medicine) The removal of inflammation.

Related terms

• dispersal, dispersivity

Translations

References

• Chambers's Etymological Dictionary, 1896, p. 131

Anagrams

• pieds noirs

Danish

Noun

dispersion c (singular definite dispersionen, plural indefinite dispersioner)

1. This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

Declension

Further reading

• “dispersion” in Den Danske Ordbog

French

Pronunciation

• IPA^(key): /dis.p??.sj??/

Noun

dispersion f (plural dispersions)

1. dispersion