| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |
|---|---|
| FEER | field echo with even echo rephasing |
| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
| IDA | 1) Imino-Diacetic Acid 2) Iron Deficiency Anemia &nb... |
| FAP | familial adenomatous polyposis; familial amyloid polyneuropathy; fatty acid polyunsaturated; fatty a... |
| PPP | Platelet Poor Plasma |
|---|---|
| PM | poor metaboliser |
| PM | poor |
| 2-D echo | 2-dimensional echocardiography |
| CSE | Conventional spin echo |
| whip-poor-will | <zoology> An American bird (Antrostomus vociferus) allied to the nighthawk and goatsucker; so called in imitation of the peculiar notes which it utters in the evening. Alternative forms: whippowil. Source: Websters Dictionary (01 Mar 1998) |
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| poor | 1. Destitute of property; wanting in material riches or goods; needy; indigent. It is often synonymous with indigent and with necessitous denoting extreme want. It is also applied to persons who are not entirely destitute of property, but who are not rich; as, a poor man or woman; poor people. 2. So completely destitute of property as to be entitled to maintenance from the public. 3. Hence, in very various applications: Destitute of such qualities as are desirable, or might naturally be expected; as: Wanting in fat, plumpness, or fleshiness; lean; emaciated; meager; as, a poor horse, ox, dog, etc. "Seven other kine came up after them, poor and very ill-favored and lean-fleshed." . Wanting in strength or vigor; feeble; dejected; as, poor health; poor spirits. "His genius . . . Poor and cowardly." . Of little value or worth; not good; inferior; shabby; mean; as, poor clothes; poor lodgings. "A poor vessel." . Destitute of fertility; exhausted; barren; sterile; said of land; as, poor soil. Destitute of beauty, fitness, or merit; as, a poor discourse; a poor picture. Without prosperous conditions or good results; unfavorable; unfortunate; unconformable; as, a poor business; the sick man had a poor night. Inadequate; insufficient; insignificant; as, a poor excuse. "That I have wronged no man will be a poor plea or apology at the last day." (Calamy) 4. Worthy of pity or sympathy; used also sometimes as a term of endearment, or as an expression of modesty, and sometimes as a word of contempt. "And for mine own poor part, Look you, I'll go pray." (Shak) "Poor, little, pretty, fluttering thing." (Prior) 5. Free from self-assertion; not proud or arrogant; meek. "Blessed are the poor in spirit." Poor law, a law providing for, or regulating, the relief or support of the poor. <botany> Poor man's treacle, the friar bird. The poor, those who are destitute of property; the indigent; the needy. In a legal sense, those who depend on charity or maintenance by the public. "I have observed the more public provisions are made for the poor, the less they provide for themselves." . Origin: OE. Poure or povre, OF. Povre, F. Pauvre, L. Pauper; the first syllable of which is probably akin to paucus few (see Paucity, Few), and the second to parare to prepare, procure. See Few, and cf. Parade, Pauper, Poverty. <zoology> A small European codfish (Gadus minutus). Synonym: power cod. Source: Websters Dictionary (01 Mar 1998) |
| poor-john | <zoology> A small European fish, similar to the cod, but of inferior quality. "Poor-john and apple pies are all our fare." (Sir J. Harrington) Source: Websters Dictionary (01 Mar 1998) |
| poor-will | <zoology> A bird of the Western United States (Phalaenoptilus Nutalli) allied to the whip-poor-will. Origin: So called in imitation of its note. Source: Websters Dictionary (01 Mar 1998) |
| poor-willie | <zoology> The bar-tailed godwit. Origin: So called in imitation of its note. Source: Websters Dictionary (01 Mar 1998) |
| atrial echo | Electrical reactivation of the atrium by a retrograde impulse returning from the A-V node while the antegrade impulse continues to the ventricle; characterised electrocardiographically, by a pair of P waves enclosing a QRS complex, the second P wave being inverted, indicating that it is the reverse (the retrograde pathway) of the pathway of the first P wave (the antegrade pathway). (05 Mar 2000) |
| spin echo | A commonly used technique to recover T2 relaxation signals in magnetic resonance imaging, by using a 180 |
| nodus sinuatrialis echo | A postectopic sinus beat occurring earlier than would be expected from the preceding sinus node discharge interval; i.e., the interval following a premature beat of supraventricular origin is less than the ordinary cycle length between sinus beats, whereas ordinarily the interval would be expected to exceed cycle length. (05 Mar 2000) |
| echo | Origin: L. Echo, Gr. Echo, sound, akin to, sound, noise; cf. Skr. Va to sound, bellow; perh. Akin to E. Voice: cf. F. Echo. 1. A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound. "The babbling echo mocks the hounds." (Shak) "The woods shall answer, and the echo ring." (Pope) 2. Sympathetic recognition; response; answer. "Fame is the echo of actions, resounding them." (Fuller) "Many kind, and sincere speeches found an echo in his heart." (R. L. Stevenson) 3. A wood or mountain nymph, regarded as repeating, and causing the reverberation of them. "Sweet Echo, sweetest nymph, that liv'st unseen Within thy airy shell." (Milton) A nymph, the daughter of Air and Earth, who, for love of Narcissus, pined away until nothing was left of her but her voice. "Compelled me to awake the courteous Echo To give me answer from her mossy couch." (Milton) Echo organ, a stop upon a harpsichord contrived for producing the soft effect of distant sound. To applaud to the echo, to give loud and continuous applause. "I would applaud thee to the very echo, That should applaud again." (Shak) Source: Websters Dictionary (01 Mar 1998) |
| echo beat | Extrasystole produced by the return of an impulse in the heart retrograde to a focus near its origin which then returns antegradely to produce a second depolorization. (05 Mar 2000) |
| echo-free | The property of appearing echo-free or without echoes on a sonographic image; a clear cyst appears anechoic. See: transonic. Synonym: echo-free. Origin: G. An-priv. + echo + ic (05 Mar 2000) |
| echo planar | A method of magnetic resonance imaging that allows rapid image acquisition during free induction decay, using technically difficult rapidly oscillating radiofrequency gradients. (05 Mar 2000) |
| echo-planar imaging | A type of magnetic resonance imaging that uses only one nuclear spin excitation per image and therefore can obtain images in a fraction of a second rather than the minutes required in traditional mri techniques. It is used in a variety of medical and scientific applications. (12 Dec 1998) |
| echo reaction | A disorder of speech where there is an involuntary repetition several times of the same word. (27 Sep 1997) |
| echo speech | A disorder of speech where there is an involuntary repetition several times of the same word. (27 Sep 1997) |
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