Definitions
from The Century Dictionary.
- noun Plural of
raphis .
from the GNU version of the Collaborative International Dictionary of English.
- noun plural (Bot.) See
rhaphides .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
raphide .
Etymologies
Sorry, no etymologies found.
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Examples
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Most cultivars, particularly the dasheens, contain oxalic acid (0. 1-0.4 per cent fresh weight) mainly in the form of 'raphides', ie bunches of needle-shaped crystals of calcium oxalate embedded in the tissues.
Chapter 32 1987
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Improperly prepared taro may cause irritation to the gums and mucous membranes due to the presence of raphides (oxalate crystals).
Chapter 6 1983
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Under the microscope the slide was found to be covered with a mass of raphides.
Scientific American Supplement, No. 829, November 21, 1891 Various
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From these experiments the absence of acridity in these two plants, in spite of the abundance of raphides, may readily be explained by the fact that the minute crystals are surrounded with and embedded in an insoluble mucilage, which prevents their free movement into the tongue and surface of the mouth, when portions of the plants are tasted.
Scientific American Supplement, No. 829, November 21, 1891 Various
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The fuchsia and tradescantia contained bundles of raphides of the same form and equally as fine as those of the acrid plants.
Scientific American Supplement, No. 829, November 21, 1891 Various
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Accordingly, four plants containing raphides were selected, two of which, the _Calla cassia_ and Indian turnip, were highly acrid, and two, the _Fuchsia_ and _Tradescantia_, or Wandering Jew, were perfectly bland to the taste.
Scientific American Supplement, No. 829, November 21, 1891 Various
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This opinion was opposed by Prof. Burrill and other eminent botanists, who claimed that other plants, as the fuchsia, are not at all acrid, although they contain raphides as plentifully as the Indian turnip.
Scientific American Supplement, No. 829, November 21, 1891 Various
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From this it will be seen that in this case the raphides did not separate from the mucilaginous juice to be held in suspension in the ether.
Scientific American Supplement, No. 829, November 21, 1891 Various
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Some of these cells contain bundles of raphides (Fig. 2), one of which bundles is shown crushed in Fig. J.
Scientific American Supplement, No. 497, July 11, 1885 Various
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The filtered ether was clear, entirely free from raphides, and had also lost every trace of its acridity.
Scientific American Supplement, No. 829, November 21, 1891 Various
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