| predacean | <zoology> A carnivorous animal. Origin: L. Praeda prey. Source: Websters Dictionary (01 Mar 1998) |
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| predation | <zoology> A type of organism interaction where one species feeds on another species (or rarely, on a member of the same species). In general, the predator species that does the feeding benefits from this relationship, while the prey species which gets eaten is harmed by the relationship. (31 Dec 1997) |
| predator | <epidemiology> An animal that kills its prey and then feeds on it to subsist until the next kill. (05 Dec 1998) |
| predatory | 1. Characterised by plundering; practicing rapine; plundering; pillaging; as, a predatory excursion; a predatory party. "A predatory war." 2. Hungry; ravenous; as, predatory spirits. "Exercise . . . Maketh the spirits more hot and predatory." (Bacon) 3. <zoology> Living by preying upon other animals; carnivorous. Origin: L. Praedatorius, fr. Praedari to plunder, fr. Praeda prey. See Prey. Source: Websters Dictionary (01 Mar 1998) |
| predatory behaviour | Instinctual behaviour pattern in which food is obtained by killing and consuming other species. (12 Dec 1998) |
| predecidual | Relating to the premenstrual or secretory phase of the menstrual cycle. (05 Mar 2000) |
| predentin | The organic fibrillar matrix of the dentin before its calcification. (05 Mar 2000) |
| predestination | 1. The act of predestinating. "Predestination had overruled their will." (Milton) 2. The purpose of Good from eternity respecting all events; especially, the preordination of men to everlasting happiness or misery. See Calvinism. Origin: L. Praedestinatio: cf. F. Predestination. Source: Websters Dictionary (01 Mar 1998) |
| prediabetes | A state of potential diabetes mellitus, with normal glucose tolerance but with an increased risk of developing diabetes; (e.g., family history). (05 Mar 2000) |
| prediastole | The interval in the cardiac rhythm immediately preceding diastole. Synonym: late systole. (05 Mar 2000) |
| prediastolic | <physiology> Preceding the diastole of the heart; as, a prediastolic friction sound. Source: Websters Dictionary (01 Mar 1998) |
| predicant | Predicating; affirming; declaring; proclaiming; hence; preaching. "The Roman predicant orders." Origin: L. Praedicans, -antis, p. Pr. Of praedicare. See Predicate. Source: Websters Dictionary (01 Mar 1998) |
| predicrotic | <physiology> A term applied to the pulse wave sometimes seen in a pulse curve or sphygmogram, between the apex of the curve and the dicrotic wave. "The predicrotic or tidal wave is best marked in a hard pulse, i. E, where the blood pressure is high." (Landois & Stirling) Source: Websters Dictionary (01 Mar 1998) |
| predictive validity | Criterion-related validity used to predict performance in a real-life task at a future time. See: construct validity, criterion-related validity. (05 Mar 2000) |
| predictive value | An expresion of the likelihood that a given test result correlates with the presence or absence of disease. A positive predictive value is the ratio of patients with the disease who test positive to the entire population of individuals with a positive test result; a negative predictive value is the ratio of patients without the disease who test negative to the entire population of individuals with a negative test. (05 Mar 2000) |