| promethean | <chemistry> An apparatus for automatic ignition. A kind of lucifer match. Source: Websters Dictionary (01 Mar 1998) |
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| promethestrol dipropionate | Dimethylhexestrol dipropionate; 4,4'-(1,2-diethylethylene)di-o-cresol dipropionate;a synthetic oestrogen derived from stilbene. (05 Mar 2000) |
| prometheus | The son of Iapetus (one of the Titans) and Clymene, fabled by the poets to have surpassed all mankind in knowledge, and to have formed men of clay to whom he gave life by means of fire stolen from heaven. Jupiter, being angry at this, sent Mercury to bind Prometheus to Mount Caucasus, where a vulture preyed upon his liver. Origin: L, fr. Gr, from to have forethought for. Source: Websters Dictionary (01 Mar 1998) |
| promethium | <chemical> Promethium. A radioactive element of the rare earth family of metals. It has the atomic symbol pm, atomic number 61, and atomic weight 147. It has been used in the construction of atomic batteries, in the preparation of self-luminous compounds, and as a beta-particle source for thickness gauges. Chemical name: Promethium (12 Dec 1998) |
| prometryne | <chemical> A selective pre- and post-emergence herbicide. Pharmacological action: herbicides, triazine. Chemical name: 1,3,5-Triazine-2,4-diamine, N,N'-bis(1-methylethyl)-6-(methylthio)- (12 Dec 1998) |
| prominence | In anatomy, tissues or parts that project beyond a surface. Synonym: prominentia. Origin: L. Prominentia (05 Mar 2000) |
| prominence of facial canal | The prominence on the medial wall of the tympanic cavity above the vestibular (oval) window produced by the presence of the facial canal. Synonym: prominentia canalis facialis. (05 Mar 2000) |
| prominence of lateral saemicircular canal | The slight bulge in the medial wall of the epitympanic recess caused by the proximity of the lateral saemicircular canal. Synonym: prominentia canalis saemicircularis lateralis. (05 Mar 2000) |
| prominence of venous valvular sinus | A slight eminence on the external wall of a vein correlating with the valvular sinus immediately proximal to the leaflets of the venous valve. Synonym: agger valvae venae. (05 Mar 2000) |
| prominency | 1. The quality or state of being prominent; a standing out from something; conspicuousness. 2. That which is prominent; a protuberance. Solar prominences. <astronomy> See Solar Protuberances, under Protuberance. Origin: L. Prominentia: cf. F. Prominence. See Prominent. Source: Websters Dictionary (01 Mar 1998) |
| prominens | Prominent; in anatomy, denoting a prominence. Origin: L. (05 Mar 2000) |
| prominent | 1. Standing out, or projecting, beyond the line surface of something; jutting; protuberant; in high relief; as, a prominent figure on a vase. 2. Hence; Distinctly manifest; likely to attract attention from its size or position; conspicuous; as, a prominent feature of the face; a prominent building. 3. Eminent; distinguished above others; as, a prominent character. <zoology> Prominent' moth, any moth of the family Notodontidae; a notodontian; so called because the larva has a hump or prominence on its back. Several of the species are injurious to fruit trees. Origin: L. Prominens, -entis, p. Pr. Of prominere to jut out, to project; pro before, forward + minere (in comp) to jut, project: cf. F. Prominent. See Imminent, Eminent. Source: Websters Dictionary (01 Mar 1998) |
| prominent portal vein radicles | <radiology> Seen in acute hepatitis (12 Dec 1998) |
| prominentia | Synonym: prominence. Origin: L. Fr. Promineo, to jut out, be prominent (05 Mar 2000) |
| prominentia canalis facialis | The prominence on the medial wall of the tympanic cavity above the vestibular (oval) window produced by the presence of the facial canal. Synonym: prominentia canalis facialis. (05 Mar 2000) |