Meaning of GRADE in English

GRADE

I. ˈgrād noun

( -s )

Etymology: partly from Latin gradus step, degree; partly from French grade, from Latin gradus; akin to Latin gradi to step, go, Old Irish in- grenn- to pursue, Lithuanian gridyti to go, wander, and perhaps to Gothic grid (accusative) step

1.

a. : a stage in a process

passing through the grades of growing up

the highest grade of development of the brain

b. : a position or level in a course of advancement or decline or in a scale of ranks, qualities, or orders

the country gentlemen were of many different grades of wealth and culture — G.M.Trevelyan

a school of collegiate grade — Seton Hall University Bulletin

as

(1) : one of the successive levels of a usually elementary or secondary school course that usually represents a year's work

(2) : a military or naval rank

a naval officer with the grade of lieutenant commander

c. : a degree especially of force or value

the varying grades of success with which a poem attains its end — Samuel Alexander

as

(1) : a degree of strength of an abrasive bond

(2) : a relative value or content of an ore or mineral

high- grade and low- grade ore

(3) : a degree of severity in illness

the patient had a carcinoma of grade III

(4) : a degree of plant food content in fertilizer expressed in percentages of nitrogen, phosphoric acid, and potash

(5) : a degree of purity or concentration (as of a chemical)

2.

a. : a class constituted by things that are at the same stage or have the same relative position, level, rank, or degree

the nobles were a higher grade of agriculturalists — John MacNeill

guilty of a very low grade of crime

especially : a body of elementary school pupils at any one established level of advancement

the fourth grade was allowed to leave school early

b. : a mark indicating a particular grade (as of a student's accomplishment in general or of a particular piece of work)

always got high grades in school

merited a grade of B on his composition

c. : a standard of quality applied to foods

prime- grade beef

first- grade potatoes

d. : a standard of quality established as acceptable

threw out all lumber that was below grade

3.

a. : a rate of ascent or descent (as of a railroad, highway, conduit, or ground surface) : gradient

a heavy grade

: deviation from a level surface to an inclined plane stated as so many feet per mile

a grade of 20 feet per mile

or as one foot rise or fall in so many feet of horizontal distance

a grade of 1 in 264

or as so much in a hundred feet or as a percentage of horizontal distance

a 10 percent grade is one of 10 feet to 100

b. : a graded ascending, descending, or level portion (as of a road, a railroad, or an embankment)

c. : level or elevation especially of a land or water surface: as

(1) : a datum or reference level

(2) : the contemplated level of the ground when the work of erecting a building is completed : ground level

the underpinning of the tower was above grade

(3) : elevation 1c

4.

[translation of German stufe ]

: any one of the phases of a root or of an affix that appear in an ablaut series and that are characterized by having different vowels : the characteristic vowel of such a phase

5. : a domestic animal one of whose parents is purebred and the other either a scrub or an animal containing a considerable proportion of the blood of the same breed as the purebred parent

6. grades plural : elementary school — used with the

taught in the grades for 10 years

7. : one of a series of patterns for clothing

8. : one of the three forms of braille ranging from the fully spelled to the highly contracted

- at grade

- make the grade

- over grade

- under grade

II. verb

( -ed/-ing/-s )

transitive verb

1. : to arrange in grades : divide into classes : class , sort : as

a. : to assign to a grade or assign a grade to

grade pupils according to their reading ability

grade lumber by its resistance to rot

spent an evening grading papers the class had turned in

b. : to classify (a food) according to quality, size, purity, or other appropriate standard

c. : to arrange in an increasing or decreasing graduated and usually proportional order (as of value, weight, intensity, difficulty) : graduate

purchased only graded reading material for use in the elementary grades

necessary to grade the weight of the hammers to correspond with the thickness of the strings — A.E.Wier

a graded inheritance tax

good works to be done in satisfaction for sins and graded according to the seriousness of the offense — K.S.Latourette

2. : to unite by evenly modulated or slight gradations : blend one shade of (as light or color) into another

3. : to reduce (as the line of a canal or roadbed) to an even grade whether on the level or in a progressive ascent or descent

offered to grade the remaining 26 miles of unfinished roadbed — American Guide Series: Texas

4. : to alter (a vowel) by ablaut or vowel gradation — used chiefly in the passive

5. : to improve (as native stock) by breeding the females to purebred males — often used with up

6. : to make (a working pattern) from a standard pattern for clothing : make (a standard pattern) into a working pattern for clothing — compare grader 3

intransitive verb

1.

a. : to form a gradation or a series having only slight differences

the colors graded gradually from red to orange to yellow

anthracite grades by imperceptible stages into bituminous coal — Encyc. Americana

interrelated plant communities which graded from one to another through orderly transitions — R.W.Finley

b. : blend

the colors graded into one another at the edges

any further attempt here to segregate the two would serve no purpose, for … the one inevitably grades into the other — W.H.Dowdeswell

2. : to proceed on an incline

grading slowly downward — R.L.Stevenson

3. : to be of or merit a particular grade

lambs grading choice to prime — Chicago Daily Drovers Journal

a story which grades too low in reader interest — Richard Match

III. adjective

1. : comprising the elementary grades : belonging to an elementary grade

a grade room

: teaching the elementary grades

a grade teacher

2. of a domestic animal : of improved but not pure stock — distinguished from crossbred and purebred ; compare scrub

IV. noun

( -s )

: a particular level of organization (as of a morphological trait) characteristic of a group of biological taxa ; also : a group of taxa (as species) that possess such a level of organization but do not necessarily share a common ancestral lineage — compare clade herein

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.