| petro- | <prefix> A combining form from Gr. A rock, a stone; as, petrology, petroglyphic. (29 Oct 1998) |
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| petro-occipital | Denoting the cranial suture between the occipital bone and the petrous portion of the temporal. Synonym: petroccipital. (05 Mar 2000) |
| petro-occipital fissure | A fissure between the petrous part of the temporal bone and the basilar part of the occipital bone that extends anteromedially from the jugular foramen; includes the jugular foramem (at its posterior end). Synonym: fissura petro-occipitalis, Ecker's fissure. (05 Mar 2000) |
| petro-occipital joint | Fibrocartilage filling the petro-occipital fissure. Synonym: synchondrosis petro-occipitalis. (05 Mar 2000) |
| petroccipital | Denoting the cranial suture between the occipital bone and the petrous portion of the temporal. Synonym: petroccipital. (05 Mar 2000) |
| petrogale | <zoology> Any Australian kangaroo of the genus Petrogale, as the rock wallaby (P. Penicillata). Origin: NL, fr. Gr. A rock + a weasel. Source: Websters Dictionary (01 Mar 1998) |
| petrographic | Pertaining to petrography. Source: Websters Dictionary (01 Mar 1998) |
| petrographical | Pertaining to petrography. Source: Websters Dictionary (01 Mar 1998) |
| petrography | 1. The art of writing on stone. 2. The scientific description of rocks; that department of science which investigates the constitution of rocks; petrology. Origin: Petro. Source: Websters Dictionary (01 Mar 1998) |
| petrohyoid | <anatomy> Pertaining to petrous, oe periotic, portion of the skull and the hyoid arch; as, the petrohyoid muscles of the frog. Origin: Petro + hyoid. Source: Websters Dictionary (01 Mar 1998) |
| petrolatum | <pharmacology> A semisolid unctuous substance, neutral, and without taste or odour, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments. Petrolatum is the official name for the purified product. Cosmoline and vaseline are commercial names for substances essentially the same, but differing slightly in appearance and consistency or fusibility. Source: Websters Dictionary (01 Mar 1998) |
| petroleum | Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc. Petroleum spirit, a volatile liquid obtained in the distillation of crude petroleum at a temperature of 170 deg Fahr, or below. The term is rather loosely applied to a considerable range of products, including benzine and ligroin. The terms petroleum ether, and naphtha, are sometimes applied to the still more volatile products, including rhigolene, gasoline, cymogene, etc. Origin: NL, fr. L. Petra a rock + oleum oil: cf. F. Petrole. Cf. Petrify, and Oil. Source: Websters Dictionary (01 Mar 1998) |
| petroleum ether | petroleum benzin |
| petroleum jelly | <pharmacology> A semisolid unctuous substance, neutral, and without taste or odour, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments. Petrolatum is the official name for the purified product. Cosmoline and vaseline are commercial names for substances essentially the same, but differing slightly in appearance and consistency or fusibility. Source: Websters Dictionary (01 Mar 1998) |
| petroline | <chemistry> A paraffin obtained from petroleum from Rangoon in India, and practically identical with ordinary paraffin. Source: Websters Dictionary (01 Mar 1998) |
| synchondrosis petro-occipitalis | Fibrocartilage filling the petro-occipital fissure. Synonym: synchondrosis petro-occipitalis. (05 Mar 2000) |
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| fissura petro-occipitalis | A fissure between the petrous part of the temporal bone and the basilar part of the occipital bone that extends anteromedially from the jugular foramen; includes the jugular foramem (at its posterior end). Synonym: fissura petro-occipitalis, Ecker's fissure. (05 Mar 2000) |
Synonyms : Petrolatum, Hydrophilic, Petrolatum, White, Vaseline, Hydrophilic Petrolatum, Jelly, Paraffin, Jelly, Petroleum, White Petrolatum
Synonyms : Crude Oils, Oil, Crude, Oils, Crude, Petroleums
Synonyms : Lamprey, Sea, Lampreys, Sea, Sea Lampreys
Synonyms : BSIPSS, Bilateral Synchronous Inferior Petrosal Sinus Sampling, Petrosal Sinus Samplings, Sampling, Petrosal Sinus, Samplings, Petrosal Sinus
Synonyms : Petroselinum crispum
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| petrolatum |
a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication
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| petrolatum gauze |
gauze saturated with petrolatum
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| petroleum |
a dark oil consisting mainly of hydrocarbons
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| petroleum jelly |
petrolatum: a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication
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| petrous |
(of bone especially the temporal bone) resembling stone in hardness
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| Petro | any compound obtained from petroleum or natural gas |
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| Petro | perennial tussock-forming rock plants |
| Petro | rock wallabies |
| Petro | a city in the European part of Russia |
| Petro | a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum |
| Petro | a crude incendiary bomb made of a bottle filled with flammable liquid and fitted with a rag wick |
| Petro | a service station that sells gasoline |
| Petro | a semi-solid mixture of hydrocarbons obtained from petroleum |
| Petro | gauze saturated with petrolatum |
| Petro | a dark oil consisting mainly of hydrocarbons |
| Petro | petroleum bought or sold at an agreed price for delivery at a specified future date |
| Petro | a specialist in petroleum geology |
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