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To play upon by artifice; to deceive; to mock; to excite and disappoint the hopes of.

To dissapear by entering into any medium, as a star into the light of the sun. [R.]

The dissapearance of a celestail body, by passing either behind another, as in the occultation of a star, or into its shadow, as in the eclipse of a satellite; -- opposed to emersion. Immersion lens, a microscopic objective of short focal distance designed to work with a drop of liquid, as oil, between the front lens a…

To disapprove of; to disallow. [Obs.]

The act of disapproving; disapprobation.

To disapprove; to find fault with; to reprove; to censure; as, to improve negligence. [Obs.] Chapman. When he rehearsed his preachings and his doing unto the high apostles, they could improve nothing. Tyndale.

the deficiency, excess, or sufficiency of a standard reagent, by causing an appearance, disappearance, or change of color, as in titration or volumetric analysis.

ally crude, harsh, and indigested. Burke. This, like an indigested meteor, appeared and disappeared almost at the same time. South.

ith contempt, disgust, or abhorrence. Shak. Indignation expresses a strong and elevated disapprobation of mind, which is also inspired by something flagitious in the conduct of another. Cogan. When Haman saw Mordecai in the king's gate, that he stood not up, nor moved for him, he was full of indignation against Mordeca…

Not liable to fail, deceive, or disappoint; indubitable; sure; certain; as, infallible evidence; infallible success; an infallible remedy. To whom also he showed himself alive, after his passion, by many infallible proofs. Acts i. 3.

Disappointing; imperfect; unsound. [Obs.] To render sleep's soft blessings insincere. Pope.

dative, and in Latin into the ablative. In Old English it was a separate case, but has disappeared, leaving only a few anomalous forms. Instrumental errors, those errors in instrumental measurements, etc., which arise, exclusively from want of mathematical accuracy in an instrument.

A substance of very wide occurrence. It is found dissolved in the sap of the roots and rhizomes of many composite and other plants, as Inula, Helianthus, Campanula, etc., and is extracted by solution as a tasteless, white, semicrystalline substance, resembling starch, with which it is isomeric. It is intermediate in na…

A genus of sapotaceous trees of India. Isonandra Gutta is the principal source of gutta-percha.

uritia flexuosa), growing near the Orinoco. The natives eat its fruit and buds, drink its sap, and make thread and cord from its fiber.

A tale of sorrow, disappointment, or complaint; a doleful story; a dolorous tirade; -- generally used satirically. He has prolonged his complaint into an endless jeremiad. Lamb.

The characteristic fluid of any vegetable or animal substance; the sap or part which can be expressed from fruit, etc.; the fluid part which separates from meat in cooking. An animal whose juices are unsound. Arbuthnot. The juice of July flowers. B. Jonson. The juice of Egypt's grape. Shak. Letters which Edward Digby w…

A white, crystalline, tasteless substance, found in the milky sap of species of Lactuca, and constituting an essential ingredient of lactucarium.

Sap green. [China]

a long time, but may at length grow. Latent heat (Physics), that quantity of heat which disappears or becomes concealed in a body while producing some change in it other than rise of temperature, as fusion, evaporation, or expansion, the quantity being constant for each particular body and for each species of change.…