ablaut /äpˈlowt or abˈlowt/ (philology)

A variation in root vowel, as in sing, sang, song, sung, explained by former accentuation (also called gradation)

grade /grād/

1. A degree or step in quality, rank or dignity
2. A stage of advancement
3. A rank
4. A yearly stage in education (N American)
5. A pupil's mark of proficiency (orig US)
6. (in pl, with the) elementary school, grade school (N American)
7. A position in a scale
8. A class, or position in a class, according to value, merit, quality
9. A position in an ablaut series (philology)
10. One-hundredth part of a right angle (mathematics)
11. A gradient or slope (chiefly US)
12. An inclined or level stretch of road or railway (US)
13. A class of animals produced by crossing a breed with one purer
14. A group of animals of a similar evolutionary stage (zoology)

1. To arrange according to grade
2. To assign a grade to
3. To adjust the gradients of
4. To cross a breed of animal with one purer

1. To change gradually from one grade, level, value, etc to another
2. (of produce, etc) to take or fall within a (specified) grade (sometimes with out)

Of improved stock

grādabilˈity noun

grāˈdable adjective

1. Able to be graded
2. Of or relating to a word that can be modified or used in the comparative or superlative (linguistics; also noun)

gradate /grə-dātˈ/ transitive verb and intransitive verb

To shade off, change grade, values, etc imperceptibly

To arrange according to grades

gradāˈtim /gra-däˈtim/ adverb (Latin)

Step by step

gradāˈtion noun

1. A degree or step
2. A rising step by step
3. Progress from one degree or state to another
4. A position attained
5. The state of being arranged in ranks
6. A gradual shift in grade, etc
7. A diatonic succession of chords (music)
8. A gradual shading off
9. Ablaut (philology)

gradāˈtional adjective

gradāˈtionally adverb

gradāˈtioned adjective

Formed by gradations or stages

gradatory /gradˈət-ə-ri/ adjective

1. Proceeding step by step
2. Adapted for walking

grādˈer noun

1. A person who, or thing which, grades
2. A machine used to create a flat surface for road-building
3. (in combination, as eg sixthgrader) a school pupil in a specified grade (N American)

grādˈing noun

1. A process of assigning grades
2. The grade assigned

grade crossing noun (N American)

A level crossing

graded-index fibre noun

A fibre in an optical-fibre cable, in which the refractive index of the glass decreases gradually or in small steps from the central core to the periphery

graded post noun

(in British schools) a post with some special responsibility, and so extra payment

grade school noun (N American)

An elementary school corresponding broadly to the British primary school, often with a nursery school element

grade separation noun (US)

A crossing at which one road, etc, is an underpass or an overpass

grading system noun

A system to establish the rate at which an employee will be paid on a company's incremental pay scales (taking eg qualifications, experience and age into account)

at grade (US)

On the same level

make the grade

1. Orig to succeed in climbing a steep hill
2. To overcome obstacles
3. To succeed
4. To be up to standard

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