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Monday - May 28, 2012

Webster's Unabridged Dictionary: Library in Itself

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
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Diaphragm

Diaphragm (diaphragm)
n.(?)
Di"a*phragm
[L. diaphragma, Gr. (?), fr. (?) to fence by a partition wall; dia` through + (?), (?), to fence, inclose; prob. akin to L. fareire to stuff: cf. F. diaphragme. See Farce.]
  1. A dividing membrane or thin partition, commonly with an opening through it.
  2. The muscular and tendinous partition separating the cavity of the chest from that of the abdomen; the midriff.
  3. A calcareous plate which divides the cavity of certain shells into two parts.
  4. A plate with an opening, which is generally circular, used in instruments to cut off marginal portions of a beam of light, as at the focus of a telescope.
  5. A partition in any compartment, for various purposes.

    Diaphragm pump, one in which a flexible diaphragm takes the place of a piston.













Webster's Unabridged Dictionary: Library in Itself

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May 28, 2012
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