Adjective : The sky was full of dark, grayish clouds. ,a grayish color; a grayish purple.    From Dictionary.com. 

How are you determining they are "greyish"? ie. what software and decoder for playback?.    From Wordnik.com.  [VideoHelp.com Forum] Reference

Sebaceous: Translucent, yellowish or greyish-white.    From Wordnik.com.  [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference

D appeared rather more greyish and were much harder.    From Wordnik.com.  [Synthetic Tannins] Reference

A greyish drab may be got by adding ferrous sulphate.    From Wordnik.com.  [Vegetable Dyes Being a Book of Recipes and Other Information Useful to the Dyer] Reference

Nacreous: Translucent, greyish-white, with pearly lustre.    From Wordnik.com.  [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference

In truth it was a greyish mixture, a military great coat.    From Wordnik.com.  [The Trial of Charles Random de Berenger, Sir Thomas Cochrane, commonly called Lord Cochrane, the Hon. Andrew Cochrane Johnstone, Richard Gathorne Butt, Ralph Sandom, Alexander M'Rae, John Peter Holloway, and Henry Lyte for A Conspiracy In the Court of King's Bench, Guildhall, on Wednesday the 8th, and Thursday the 9th of June, 1814] Reference

The red mountains here assume a greyish-white appearance.    From Wordnik.com.  [Southern Arabia] Reference

Opalescent: Translucent; greyish-white by reflected light.    From Wordnik.com.  [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference

In the case of genuine guano, this should be whitish or greyish.    From Wordnik.com.  [Manures and the principles of manuring] Reference

Their color in winter is a steel grey and in summer is a greyish brown.    From Wordnik.com.  [Black Beaver The Trapper] Reference

Steadily Roger's eyes met the gaze of the doctor's little cold greyish ones.    From Wordnik.com.  [Juggernaut] Reference

Sara watched it fall and lie on the floor in a little patch of fine, greyish powder.    From Wordnik.com.  [The Hermit of Far End] Reference

This makes a greyish rock with no gloss, and is suitable for owls and similar birds.    From Wordnik.com.  [Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy.] Reference

The background is composed of a thin greyish white silk backed with a stronger material.    From Wordnik.com.  [Embroidery and Tapestry Weaving] Reference

This is the finest salt; that which falls to the bottom of the salt-pan is of a greyish cast.    From Wordnik.com.  [Brittany & Its Byways] Reference

The under-part of its plumage is chequered brown and white, but the upper-part is of greyish brown.    From Wordnik.com.  [History of Louisisana Or of the Western Parts of Virginia and Carolina: Containing] Reference

Then, without moving his head, he turned his little greyish eyes upon her and regarded her fixedly.    From Wordnik.com.  [Juggernaut] Reference

It stopped, a wooden door swung back, and a band of greyish light showed a low room of rough beams without a window.    From Wordnik.com.  [The False Chevalier or, The Lifeguard of Marie Antoinette] Reference

Soon the dripping commenced, and as it ran out and came into contact with the air, it turned into a solid, greyish color.    From Wordnik.com.  [The Wonder Island Boys: Exploring the Island] Reference

After tomato plants are well started the large greyish humming-bird-like moths comes from the ground and begin laying eggs.    From Wordnik.com.  [An Elementary Study of Insects] Reference

The ground was hard and crisp, and the setting sun sank a misty red, while a greyish-yellow tint overspread the whole horizon.    From Wordnik.com.  [Frank Oldfield Lost and Found] Reference

After the ministers of state, came his Sublime Highness himself on horseback, closely wrapped up in a greyish brown cloak, with.    From Wordnik.com.  [Journal of a Visit to Constantinople and Some of the Greek Islands in the Spring and Summer of 1833] Reference

The expectoration is for the most part difficult, and consists of masses of mucus, either greyish, or tending to a black colour.    From Wordnik.com.  [An Investigation into the Nature of Black Phthisis or Ulceration Induced by Carbonaceous Accumulation in the Lungs of Coal Miners] Reference

The washed and lightly fat-liquored leather was soft, of full feel and good tensile strength, and was greyish coloured throughout.    From Wordnik.com.  [Synthetic Tannins] Reference

Eyes bright red; proboscis a little longer than the thorax; antennæ and legs black; wings slightly greyish, veins black; halteres tawny.    From Wordnik.com.  [Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology] Reference

Dundee was sure that Mrs. Miles 'sallow face took on a greyish tinge as she staggered to her feet and wound an uncertain way toward the hall.    From Wordnik.com.  [Murder at Bridge] Reference

Leathers tanned in such solutions, however, are rather empty and hard, possess but little resilience and an uneven, dirty greyish-brown colour.    From Wordnik.com.  [Synthetic Tannins] Reference

The houses, straggling up the side of a hill, were low and sombre, being built of a greyish stone, which gave them a dull and haggard appearance.    From Wordnik.com.  [Frank Oldfield Lost and Found] Reference

A very pale greyish-white green in powder, it gives an agreeable yellowish green of some depth in oil, moderately bright, but not very pure or clear.    From Wordnik.com.  [Field's Chromatography or Treatise on Colours and Pigments as Used by Artists] Reference

Rodan pointed to a pit dynamited out of the dust and lava rock, and to small piles of greyish material beside six-inch borings rectangularly spaced over a wide area.    From Wordnik.com.  [The Planet Strappers] Reference

Even in a book we have found it assume a dirty greyish cast, and a specimen which had been kept in a drawer, wrapped up in paper, became perfectly black in a few years.    From Wordnik.com.  [Field's Chromatography or Treatise on Colours and Pigments as Used by Artists] Reference

The moon, a ghastly wraith, was far down in the west, the east had not yet taken any hint of rose flush, but held that pallid line of greyish white that precedes sunrise.    From Wordnik.com.  [Judith of the Cumberlands] Reference

We had marble at the river margin most of the day, a greyish crystalline rock fluted multitudinously in places by the action of high water and sometimes polished like glass.    From Wordnik.com.  [A Canyon Voyage The Narrative of the Second Powell Expedition down the Green-Colorado River from Wyoming, and the Explorations on Land, in the Years 1871 and 1872] Reference

About this time the plain grey plumage began to be varied by two patches of brilliant little purple feathers, tipped with greyish-white, which appeared on each side of his breast.    From Wordnik.com.  [Wild Nature Won By Kindness] Reference