| first aid | Treatment that is rendered initially for the care of an emergent condition. (27 Sep 1997) |
|---|---|
| aid to families with dependent children | Financial assistance provided by the government to indigent families with dependent children who meet certain requirements as defined by the social security act, title IV, in the u.s. (12 Dec 1998) |
| pharmaceutic aid | Substances which are of little or no therapeutic value, but are necessary in the manufacture, compounding, storage, etc., of pharmaceutical preparations or drug dosage forms. They include solvents, diluting agents, and suspending agents, and emulsifying agents. Also, antioxidants; preservatives, pharmaceutical; dyes (colouring agents); flavoring agents; vehicles; excipient; ointment bases. (12 Dec 1998) |
| hearing aid | An electronic amplifying device designed to bring sound more effectively into the ear; it consists of a microphone, amplifier, and receiver. (05 Mar 2000) |
| blister pack | A package consisting of a clear plastic overlay affixed to a cardboard backing for protecting and displaying a product. (18 Nov 1997) |
| pack | 1. A bundle made up and prepared to be carried; especially, a bundle to be carried on the back; a load for an animal; a bale, as of goods. 2. [Cf. Peck] A number or quantity equal to the contents of a pack; hence, a multitude; a burden. "A pack of sorrows." "A pack of blessings." "In England, by a pack of meal is meant 280 lbs.; of wool, 240 lbs." 3. A number or quantity of connected or similar things; as: A full set of playing cards; also, the assortment used in a particular game; as, a euchre pack. A number of hounds or dogs, hunting or kept together. A number of persons associated or leagued in a bad design or practice; a gang; as, a pack of thieves or knaves. A shook of cask staves. A bundle of sheet-iron plates for rolling simultaneously. 4. A large area of floating pieces of ice driven together more or less closely. 5. An envelope, or wrapping, of sheets used in hydropathic practice, called dry pack, wet pack, cold pack, etc, according to the method of treatment. 6. [Prob. The same word; but cf. AS. Pcan to deceive] A loose, lewd, or worthless person. See Baggage. Pack animal, an animal, as a horse, mule, etc, employed in carrying packs. Pack cloth, a coarse cloth, often duck, used in covering packs or bales. Pack horse. See Pack animal (above). Pack ice. See def. 4, above. Pack moth, a troop of pack animals. Origin: Akin to D. Pak, G. Pack, Dan. Pakke, Sw. Packa, Icel. Pakki, Gael. & Ir. Pac, Arm. Pak. Cf. Packet. 1. To make a pack of; to arrange closely and securely in a pack; hence, to place and arrange compactly as in a pack; to press into close order or narrow compass; as to pack goods in a box; to pack fish. "Strange materials packed up with wonderful art." (Addison) "Where . . . The bones Of all my buried ancestors are packed." (Shak) 2. To fill in the manner of a pack, that is, compactly and securely, as for transportation; hence, to fill closely or to repletion; to stow away within; to cause to be full; to crowd into; as, to pack a trunk; the play, or the audience, packs the theater. 3. To sort and arrange (the cards) in a pack so as to secure the game unfairly. "And mighty dukes pack cards for half a crown." (Pope) 4. Hence: To bring together or make up unfairly and fraudulently, in order to secure a certain result; as, to pack a jury or a causes. "The expected council was dwindling into . . . A packed assembly of Italian bishops." (Atterbury) 5. To contrive unfairly or fraudulently; to plot. " He lost life . . . Upon a nice point subtilely devised and packed by his enemies." (Fuller) 6. To load with a pack; hence, to load; to encumber; as, to pack a horse. "Our thighs packed with wax, our mouths with honey." (Shack) 7. To cause to go; to send away with baggage or belongings; especially, to send away peremptorily or suddenly; sometimes with off; as, to pack a boy off to school. "He . . . Must not die" "Till George be packed with post horse up to heaven." (Shak) 8. To transport in a pack, or in the manner of a pack (i. E, on the backs of men or beasts). 9. To envelop in a wet or dry sheet, within numerous coverings. See Pack. 10. <mechanics> To render impervious, as by filling or surrounding with suitable material, or to fit or adjust so as to move without giving passage to air, water, or steam; as, to pack a joint; to pack the piston of a steam engine. Origin: Akin to D. Pakken, G. Packen, Dan. Pakke, Sw. Packa, Icel. Pakka. See Pack. Source: Websters Dictionary (01 Mar 1998) |
| cold pack | A pack of cloth or other material soaked in cold water or encasing ice. (05 Mar 2000) |
| wet pack | The usual form of pack using hot or cold moisture. (05 Mar 2000) |
| hot pack | A pack of cloth or other material soaked in hot water, or producing moist heat by another means. (05 Mar 2000) |
| dry pack | A pack enveloping one in dry, warmed blankets in order to induce profuse perspiration. (05 Mar 2000) |
| ice pack | A cold local application to limit or reduce swelling in recently traumatised tissues; usually in the form of a water-impervious container for ice. Improvised means for containing ice (plastic bags, towels, etc.) are often employed, as are chemical sacks that when struck allow the commingling of chemicals that react endothermically. (05 Mar 2000) |
| burns, first degree | A first degree burn is superficial and has similar characteristics to a typical sun burn. The skin is red in colour and sensation is intact. In fact, it is usually somewhat painful. (12 Dec 1998) |
| ventriculography, first-pass | Radionuclide ventriculography where a bolus of radionuclide is injected and data are recorded from one pass through the heart ventricle. Left and right ventricular function can be analyzed independently during this technique. First-pass ventriculography is preferred over gated blood pool imaging for assessing right ventricular function. (12 Dec 1998) |
| Mendel's first law | Factors that affect development retain their individuality from generation to generation, do not become contaminated when mixed in a hybrid, and become sorted out from one another when the next generation of gametes is formed. Synonym: Mendel's first law. (05 Mar 2000) |
| mirror, first or front surface | <microscopy> An optical mirror on which the reflecting surface is applied to the front surface of the mirror instead of to the back, that is, to the first surface of incidence. (05 Aug 1998) |