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A variety of hone slate, or whetstone, used for whetting tools when lubricated with oil.

Retaining the accent; not enclitic; -- said of certain indefinite pronouns and adverbs when used interrogatively, which, when not so used, are ordinarilly enclitic.

One of the harmonics faintly heard with and above a tone as it dies away, produced by some aliquot portion of the vibrating sting or column of air which yields the fundamental tone; one of the natural harmonic scale of tones, as the octave, twelfth, fifteenth, etc.; an aliquot or "partial" tone; a harmonic. See Harmoni…

Having an acute sound; (Gr. Gram.), having an acute accent on the last syllable.

The ketone of palmitic acid.

formed in small quantity by the peptic digestion of proteids. It can be converted into peptone by pancreatic juice, but not by gastric juice.

A word having an acute accent on the penultimate syllable.

A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.

Pisolite.

A pebble; also, pebbles collectively. "Chains of pebblestone." Marlowe.

Same as Valylene.

rtions of the food are transformed by the action of the gastric and pancreatic juices. Peptones are also formed from albuminous matter by the action of boiling water and boiling dilute acids.

Of or pertaining to the peritoneum.

The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac. [Written also peritonæum.]

See Perpender.

See Perpender.

Pythoness; witch. [Obs.]

A nephoscope registering by photography, commonly consisting of a pair of cameras used simultaneously.

A kind of clay slate, carved by the Indians into tobacco pipes. Cf. Catlinite.

An igneous rock of semiglassy nature, having a luster like pitch.