grating

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grating

short for diffraction grating.

grating

[′grād·iŋ]
(electromagnetism)
An arrangement of fine, parallel wires used in waveguides to pass only a certain type of wave.
An arrangement of crossed metal ribs or wires that acts as a reflector for a microwave antenna and offers minimum wind resistance.
(spectroscopy)

grating

1. A grate; also see coke grating.
2. A grille.
3. Same as grillage.
References in periodicals archive ?
Godard appears on screen, hidden behind a camera, voicing, provocatively, gratingly, his doubts of what can be done--so far from Vietnam, where revolution was really occurring.
Indeed, whilst Wilson was understated in his biblical allusions--The Burden of Egypt is a quote from the book of Isaiah--Wilkinson is gratingly unsubtle: does he really need to talk about 'Heaven on Earth' and 'Paradise postponed'?
The vaudeville jaunt to her name belied a gratingly puritanical bent.
Fireflies is the most irritating record of the year so far, with a gratingly, sickeningly over-sweetened vocal and nonsensical lyrics.
Kate Hudson, for example, a woman whose love of playing the girly card was once bettered only by Emma Bunton, was recently photographed wearing just such a pair of foreshortened pointy shoes and looked quite marvellous, the grown-up shape making her look less gratingly bubbly than usual.
Both decisions are poorly reasoned, lack a constitutional justification, and are gratingly pompousyet they are "landmark decisions.
The trouble is, apart from a gratingly self-pitying tone, you can tell from the very first minute where it's all heading, and whoever wrote the script doesn't let us down, with a predictably bitter-sweet ending.
His dogged adherence to a "fall" thesis of Christian history--the notion that nothing good came of the Catholic faith that developed after the fall of the Roman Empire and before the Reformation--often is gratingly reductionistic.
Despite the novel's well-researched depictions of underworld operations, it is overwritten and at times gratingly stereotypical.
That seems like a particularly stupid criticismto have of a Ross Noble show, I grant you, but, despite the continual stream of laughs, there were times the more gratingly outspoken audience members could have been reined in.
In a spasm of that humbug which the world soon grew to recognise as his trademark, Wilson patiently explained his policy to British Ambassador Walter Page, via some of the most gratingly complacent verbiage ever uttered by an adult: "I am going to teach the South [sic] Americans to elect good men.
Novak's gratingly paternalistic endorsement of Orthodox women's prayer groups is an unapologetic celebration of male dominance.