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deposition

deposition

7 7.2
Material that settles in one place after water, wind, or ice moves it
  • noun
  • /ˌdɛpəˈzɪʃən/
  • Specialized
: deposición
  • No, the surface is young due to deposition; the crater itself is ancient.
  • acid deposition
  • amyloid deposition
  • atmospheric deposition

So we saw in the Nova clip that the PET scans showing amyloid plaque deposition.

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Examples

  • Nuclear scanning was used to detect deposition in the frontal and maxillary sinuses.

    Academic text (1999)
  • And people think of vacuum deposition as being expensive.

  • Give it some vacuum metal deposition.

  • Applied iteratively, this process would eventually lead to deposition levels that were equal to or less than the critical loads.

    Academic text (1999)
  • In addition, both wet and dry deposition can deliver nitrogen compounds from the atmosphere to terrestrial ecosystems.

    Academic text (1994)
  • Our method of quantifying beta-amyloid deposition resulted in reproducible and reliable measures of beta-amyloid load.

    Academic text (1995)
  • Since many terrestrial ecosystems are nitrogen-limited, nitrogen deposition may initially increase an ecosystem's net primary productivity.

    Academic text (1994)
  • The deposition of sand on the beach creates new landforms over time.

  • The geologist studied the layers of rock to understand the process of deposition.

  • After heavy rains, the deposition of silt in the riverbed was clearly visible.

Synonyms

sedimentation
vsdeposition
  • Specialized
2 6.0

Small solid pieces settle and build up at the bottom of a liquid

is broader, applying to material accumulation in many locations and by various forces
deposal
vsdeposition
  • Specialized
1 8.7

Material like sand left in layers by water or wind

is broader, covering placement or accumulation by wind, water, or ice

Antonyms

162 2.0

Taking something or someone away from a place

How Much

accumulation
48 3.4
deposition
  • Specialized
7 7.2
layer
373 2.0
coating
32 3.4
film
32 3.2
trace
498 3.3

Surface Forms

deposition singular
depositions plural

Morphology

deposition = deposit (transparent) = deposit + ion

This is a standard deverbal noun meaning the act or process of depositing.

Etymology

Deposition comes from the Latin parts de- 'down' and pose 'place', the same root you see in deposit and position. So a deposition in nature is literally 'placing down'—the act of material like ash, frost, or sand being left in one place.