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grating - 13 dictionary results
Steel and Bar Grating
Quality Steel Aluminum Bar Grating for Construction. Call 650.871.8251
www.BrodheadSteel.com
Fiberglass Grating
lightweight & corrosion resistant both molded and pultruded gratings
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Fiberglass Grating
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grat⋅ing

1  [grey-ting]
Use grating in a Sentence
–noun
1. a fixed frame of bars or the like covering an opening to exclude persons, animals, coarse material, or objects while admitting light, air, or fine material.
2. Physics. diffraction grating.
Origin:
1605–15; grate 1 + -ing 1
Steel and Bar Grating
Quality Steel Aluminum Bar Grating for Construction. Call 650.871.8251
www.BrodheadSteel.com
Fiberglass Grating
lightweight & corrosion resistant both molded and pultruded gratings
www.directmetals.com

grat⋅ing

2  [grey-ting]
–adjective
1. irritating or unpleasant to one's feelings.
2. (of a sound or noise) harsh, discordant, or rasping.
Origin:
1555–65; grate 2 + -ing 2

Related forms:
grat⋅ing⋅ly, adverb

grate

1  [greyt] noun, verb, grat⋅ed, grat⋅ing.
–noun
1. a frame of metal bars for holding fuel when burning, as in a fireplace, furnace, or stove.
2. a framework of parallel or crossed bars, used as a partition, guard, cover, or the like; grating.
3. a fireplace.
–verb (used with object)
4. to furnish with a grate or grates.
Origin:
1350–1400; ME < ML grāta a grating, var. of crāta, deriv. of L crāt- (s. of crātis) wickerwork, hurdle; cf. crate

Related forms:
grateless, adjective
gratelike, adjective

grate

2  [greyt] verb, grat⋅ed, grat⋅ing.
–verb (used without object)
1. to have an irritating or unpleasant effect: His constant chatter grates on my nerves.
2. to make a sound of, or as if of, rough scraping; rasp.
3. to sound harshly; jar: to grate on the ear.
4. to scrape or rub with rough or noisy friction, as one thing on or against another.
–verb (used with object)
5. to reduce to small particles by rubbing against a rough surface or a surface with many sharp-edged openings: to grate a carrot.
6. to rub together with a harsh, jarring sound: to grate one's teeth.
7. to irritate or annoy.
8. Archaic. to wear down or away by rough friction.
Origin:
1375–1425; late ME graten < OF grater < Gmc; cf. G kratzen to scratch

Synonyms:
7. vex, gall, nettle, irk, rile, bug.

diffraction grating

 
–noun Physics.
a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra.
Also called grating.

Origin:
1865–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To grating
grate 1   (grāt)   
v.   grat·ed, grat·ing, grates

v.   tr.
  1. To reduce to fragments, shreds, or powder by rubbing against an abrasive surface.
  2. To cause to make a harsh grinding or rasping sound through friction: grated her teeth in anger.
  3. To irritate or annoy persistently.
  4. Archaic To rub or wear away.
v.   intr.
  1. To make a harsh rasping sound by or as if by scraping or grinding.
  2. To cause irritation or annoyance: a noise that grates on one's nerves.
n.  A harsh rasping sound made by scraping or rubbing: the grate of a key in a lock.

[Middle English graten, from Old French grater, to scrape, of Germanic origin.]
grate 2   (grāt)   
n.  
  1. A framework of parallel or latticed bars for blocking an opening.
  2. A framework of metal bars used to hold fuel or food in a stove, furnace, or fireplace.
  3. A fireplace.
  4. A perforated iron plate or screen for sieving and grading crushed ore.
tr.v.   grat·ed, grat·ing, grates
To equip with a grate.

[Middle English, from Medieval Latin grāta, alteration of Latin crātis, wickerwork.]
grat·ing   (grā'tĭng)   
n.  
  1. A grill or network of bars set in a window or door or used as a partition; a grate.
  2. A diffraction grating.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Grating

Grat"ing\, n. [See 2d Grate.]

1. A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent.

2. (Optics) A system of close equidistant and parallel lines lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction; -- called also diffraction grating.

3. pl. (Naut.) The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable Lattice used for the flooring of boats. [1913 Webster]

Grating

Grat"ing\, a. [See Grate to rub harshy.] That grates; making a harsh sound; harsh. -- Grat"ing*ly, adv.

Grating

Grat"ing\, n. A harsh sound caused by attrition.

Grating

Grat"ing\, n. (Optics) A system of close equidistant parallel lines or bars, esp. lines ruled on a polished surface, used for producing spectra by diffraction. Gratings have been made with over 40,000 such lines to the inch, but those with a somewhat smaller number give the best definition.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : grating
Spanish: chirriante, rechinante,
German: unangenehm,
Japanese: 耳ざわりな
More Translations »

Main Entry: grat·ing
Pronunciation: 'grAt-i[ng]
Function: noun
: a system of close equidistant and parallel lines or bars ruled on a polished surfaceto produce spectra by diffraction called also diffraction grating
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Fiberglass Grating
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Diffraction Gratings
Richardson gratings from Newport for OEM and scientific applications
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Welded Bar Grating
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