gradation

American  

[grey-dey-shuhn] / greɪˈdeɪ ʃən /

noun

1. any process or change taking place through a series of stages, by degrees, or in a gradual manner.

2. a stage, degree, or grade in such a series.

3. the passing of one tint or shade of color to another, or one surface to another, by very small degrees, as in painting or sculpture.

4. the act of grading.

5. ablaut.

6. Geology. the leveling of a land surface, resulting from the concerted action of erosion and deposition.

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gradation British  

/ ɡrəˈdeɪʃən /

noun

1. a series of systematic stages; gradual progression

2. (often plural) a stage or degree in such a series or progression

3. the act or process of arranging or forming in stages, grades, etc, or of progressing evenly

4. (in painting, drawing, or sculpture) transition from one colour, tone, or surface to another through a series of very slight changes

5. linguistics any change in the quality or length of a vowel within a word indicating certain distinctions, such as inflectional or tense differentiations See ablaut

6. geology the natural levelling of land as a result of the building up or wearing down of pre-existing formations

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gradation Scientific  

/ grā-dā′shən /

1. The process by which land is leveled off through erosion or the transportation or deposition of sediments, especially the process by which a riverbed is brought to a level where it is just able to transport the amount of sediment delivered to it.

2. The proportion of particles (such as sand grains) of a given size within a sample of particulate material, such as soil or sandstone.

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Other Word Forms

• gradational adjective
• gradationally adverb
• regradation noun

Etymology

Origin of gradation

First recorded in 1530–40, gradation is from the Latin word gradātiōn- (stem of gradātiō ). See grade, -ation

Example Sentences

And we won’t be giving starred reviews — that kind of blunt gradation makes even less sense now than it did before.

From Seattle Times • Mar. 17, 2022

For food professionals, who spend their lives exploring nuance and gradation in flavor, recourse is even more limited.

From Washington Post • Sep. 29, 2020

And, yes, he no longer has the vocal flexibility for dynamic gradation.

From Los Angeles Times • Sep. 23, 2018

Last year they had 5 teams with 100% gradation rates.

From New York Times • Dec. 28, 2017

“It’s absolutely gorgeous the way you overlapped the strands so skillfully. The gradation is flawless.”

From "The Red Car to Hollywood" by Jennie Liu

Related Words

• calibration
• nuance