nitre BrE
niter AmE

The original Greek form of the word nitre, whence nitrogen.

"Pass your hand," I said, "over the wall; you cannot help feeling the nitre.

"Burning of nitre will correct the corrupt air which they may contain.

Upon this plate burns a great fire of charcoal, impregnated with nitre.

There are five bags of nitre as well."

Nitre Bush is found in the northern hemisphere and across the mainland states of Australia.

The addition of gunpowder or nitre produced an even more potent tinder.

The walls were discolored with patches of nitre.

The air was dead and heavy, the walls gleaming with moisture, furred with white nitre.

It is then dissolved in spirit of nitre (nitric acid), and distilled three times.

The leaves added to hog's lard, nitre and vinegar kept putrescence from spreading.

Nitre bush grows on the highest parts of the seawall and the abundant summer fruits provide a food source for birds.

During smelting iron can be oxidized using nitre.

You mix it with nitre and charcoal," Tamra explained.

Roman portrait murals, their colors faded and encrusted with nitre through the centuries, looked down from the walls.

Who taught frail man, to make his suffering lighter, Consoling, to mix sulphur with salt nitre!

Ingredients that were sometimes added were ground myrrh, nitre and hartshorn.

This is dissolved in spirit of nitre, by gently pouring it on till the ebullition ceases.

The regulus of cobalt, dissolved in spirit of nitre, gives a red.

The cave was used since before 1835 as a source for nitre (saltpeter) for the manufacture of gunpowder.

The nitre being drawn off, the remaining matter is wetted with spirit of wine, and the spirit burnt away.

The viscera were then returned to the cavity together with a substantial quantity of camphor, nitre and resin.

They are encrusted with nitre."

Aphronitre, or aphronitrum, is a kind of nitre, mentioned in ancient texts.

It occurs as a mineral niter and is a natural solid source of nitrogen.

A niter has to be seen to be a ruler, and you don't make friends that way.

A wall reached up beyond the limits of light, all streaky with slime and niter.

"Take note of the niter on the walls."

Niter makes up 75% of what we call gunpowder.

Great spreading continents of niter marred the bare plaster walls.

"When the nails drop off, apply black niter of argent; maybe you'll be cured."

He also produced medicine and supervised the niter works (to manufacture explosives) for the Confederacy.

Because of its ready solubility in water, niter is most often found in arid environments.

This operation was eventually taken over by the Confederate Niter Bureau.

At the cave, calcium nitrate, also called niter, is leached from dry soil.

Niter of glycerol takes very badly to sudden shocks."

Niter is a colorless to white mineral crystallizing in the orthorhombic crystal system.

Chilean exports to China are mainly in copper, niter, pulp, paper, fish meal and timber.

Chemically it is the Na-analogue of niter.

This process converted the calcium nitrate into potassium nitrate or niter.

The main industry is a 'soda niter' (sodium nitrate) chemical plant.

Sealed metal containers: a hundred pounds of sulfur, another hundred of niter.

Then Rod became aware of fragile orange webs, higher up-gossamer niter, lit by the firelight.

Sweet spirits of niter!

The head was large and contained niter, charcoal and wood dust, and had a phosphorus tip.

The mineral form is also known as nitratine, nitratite or soda niter.

The sole sight before his eyes was a brick wall with flaking grey paint and blooming excrescences of niter.

The gunnery screen indicators blinked, and Crimra switched to Niter.

Etymology of "niter"