camphor
IPA: kˈæmfɝ
noun
- (organic chemistry) A white transparent waxy crystalline isoprenoid ketone, 1,7,7-trimethylbicyclo[2.2.1]heptan-2-one, with a strong pungent odour, used in pharmacy.
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Examples of "camphor" in Sentences
- Like musk, which virgin camphor ne’er lets off it:
- The word camphor (_kafier_), which is derived from the word _kafr_, means to "suppress or cover."
- When people went out they wore gauze masks over their nose and mouth, often soaked in camphor or other medicinal substances.
- Quails were seen on the march at some distance: it seems to be a great country for potash, and perhaps for camphor, which is evidently abundant in one species of Artemisia.
- The sap flows from an incision made high up in the tree into a vessel hung there to receive it, and soon hardens into the substance called camphor, but the tree itself withers up and dies when it has been so treated.
- Mr F.H. Snyder, of New York, is the inventor of a shell powder known as the "Snyder Explosive," consisting of 94 per cent. nitro-glycerine, 6 per cent. of soluble nitro-cotton, and camphor, which is said to be safe in use.
- The juice of which the camphor is made runs out from a hole bored in the upper part of the tree, is received in a vessel, where it grows thick, and becomes what we call camphor; and the juice thus drawn out the tree withers and dies.
- The slight layer of greasy matter that habitually lines the sides of vessels from whence no effort has been made to remove it, produces effects exactly like those of the oil of camphor, that is to say, that in measure as it becomes thicker it likewise arrests the motions of the concrete volatile essence.
- With a few exceptions, nearly all these powders are nitro compounds, and chiefly consist of some form of nitro-cellulose, either in the form of nitro-cotton or nitro-lignine; or else contain, in addition to the above, nitro-glycerine, with very often some such substance as camphor, which is used to reduce the sensitiveness of the explosive.
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