| PPT | parietal pleural tissue; partial prothrombin time; peak-to-peak threshold; Pfeiffer-Palm-Teller [syn... |
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| PO | Palm oil |
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palma
| palm sunday | The Sunday next before Easter; so called in commemoration of our Savior's triumphal entry into Jerusalem, when the multitude strewed palm branches in the way. Source: Websters Dictionary (01 Mar 1998) |
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| laetere sunday | The fourth Sunday of Lent; so named from the Latin word Laetare (rejoice), the first word in the antiphone of the introit sung that day in the Roman Catholic service. Source: Websters Dictionary (01 Mar 1998) |
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| palm | 1. <anatomy> The inner and somewhat concave part of the hand between the bases of the fingers and the wrist. "Clench'd her fingers till they bit the palm." (Tennyson) 2. A lineal measure equal either to the breadth of the hand or to its length from the wrist to the ends of the fingers; a hand; used in measuring a horse's height. In Greece, the palm was reckoned at three inches. The Romans adopted two measures of this name, the lesser palm of 2.91 inches, and the greater palm of 8.73 inches. At the present day, this measure varies in the most arbitrary manner, being different in each country, and occasionally varying in the same. 3. A metallic disk, attached to a strap, and worn the palm of the hand, used to push the needle through the canvas, in sewing sails, etc. 4. <zoology> The broad flattened part of an antler, as of a full-grown fallow deer; so called as resembling the palm of the hand with its protruding fingers. 5. The flat inner face of an anchor fluke. Origin: OE. Paume, F. Paume, L. Palma, Gr, akin to Skr. Pani hand, and E. Fumble. See Fumble, Feel, and cf. 2d Palm. 1. <botany> Any endogenous tree of the order Palmae or Palmaceae; a palm tree. Palms are perennial woody plants, often of majestic size. The trunk is usually erect and rarely branched, and has a roughened exterior composed of the persistent bases of the leaf stalks. The leaves are borne in a terminal crown, and are supported on stout, sheathing, often prickly, petioles. They are usually of great size, and are either pinnately or palmately many-cleft. There are about one thousand species known, nearly all of them growing in tropical or semitropical regions. The wood, petioles, leaves, sap, and fruit of many species are invaluable in the arts and in domestic economy. Among the best known are the date palm, the cocoa palm, the fan palm, the oil palm, the wax palm, the palmyra, and the various kinds called cabbage palm and palmetto. 2. A branch or leaf of the palm, anciently borne or worn as a symbol of victory or rejoicing. "A great multitude . . . Stood before the throne, and before the Lamb, clothed with white robes, and palme in their hands." (Rev. Vii. 9) 3. Hence: Any symbol or token of superiority, success, or triumph; also, victory; triumph; supremacy. "The palm of martyrdom." "So get the start of the majestic world And bear the palm alone. <botany>" (Shak) Molucca palm The larva of a palm weevil. A centipede. Origin: AS. Palm, L. Palma; so named fr. The leaf resembling a hand. See lst Palm, and cf. Pam. Source: Websters Dictionary (01 Mar 1998) |
| palm-chin reflex | Unilateral (sometimes bilateral) contraction of the mentalis and orbicularis oris muscles caused by a brisk scratch made on the palm of the ipsilateral hand. Synonym: palm-chin reflex. (05 Mar 2000) |
| palm oil | An oil obtained from the seeds of Elaeis guineensis (family Palmae); used in the manufacture of soap, liniments, and ointments; also in foods. (05 Mar 2000) |
| palm wax | A wax obtained from the Brazilian wax palm, Copernica cerifera; used in pharmaceuticals to coat medicaments in sustained release preparations and surfaces of tablets; used in waxes for wood and metal. Synonym: Brazil wax, palm wax. (05 Mar 2000) |
| grugru palm | <botany> A West Indian name for several kinds of palm. See Macaw tree, under Macaw. Alternative forms: grigri palm. Source: Websters Dictionary (01 Mar 1998) |
| cup of palm | The palm of the hand when contracted and deepened by the action of the muscles on either side. Synonym: Diogenes cup, poculum diogenis. (05 Mar 2000) |
| doom palm | <botany> A species of palm tree (Hyphaene Thebaica), highly valued for the fibrous pulp of its fruit, which has the flavor of gingerbread, and is largely eaten in Egypt and Abyssinia. Alternative forms: doum palm. Origin: Ar. Daum, dum: cf. F. Doume. Source: Websters Dictionary (01 Mar 1998) |
| ita palm | <botany> A magnificent species of palm (Mauritia flexuosa), growing near the Orinoco. The natives eat its fruit and buds, drink its sap, and make thread and cord from its fibre. Source: Websters Dictionary (01 Mar 1998) |
| jagua palm | <botany> A great Brazilian palm (Maximiliana regia), having immense spathes which are used for baskets and tubs. Origin: Sp. Jagua the fruit of the jagua palm. Source: Websters Dictionary (01 Mar 1998) |
| jupati palm | <botany> A great Brazilian palm tree (Raphia taedigera), used by the natives for many purposes. Source: Websters Dictionary (01 Mar 1998) |
| fan palm | <botany> Any palm tree having fan-shaped or radiate leaves; as the Chamaerops humilis of Southern Europe; the species of Sabal and Thrinax in the West Indies, Florida, etc.; and especially the great talipot tree (Corypha umbraculifera) of Ceylon and Malaya. The leaves of the latter are often eighteen feet long and fourteen wide, and are used for umbrellas, tents, and roofs. When cut up, they are used for books and manuscripts. Source: Websters Dictionary (01 Mar 1998) |
| palm sunday | Sunday before Easter |
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