(v. i.) An inorganic species or substance occurring in nature, having a definite chemical composition and usually a distinct crystalline form. Rocks, except certain glassy igneous forms, are either simple minerals or aggregates of minerals.
(v. i.) A mine.
(v. i.) Anything which is neither animal nor vegetable, as in the most general classification of things into three kingdoms (animal, vegetable, and mineral).
(a.) Of or pertaining to minerals; consisting of a mineral or of minerals; as, a mineral substance.
(a.) Impregnated with minerals; as, mineral waters.
Example Sentences:
(1) It is suggested that the Japanese may have lower trabecular bone mineral density than Caucasians but may also have a lower threshold for fracture of the vertebrae.
(2) The absorption of ingested Pb is modified by its chemical and physical form, by interaction with dietary minerals and lipids and by the nutritional status of the individual.
(3) There will be no statutory inquiry or independent review into the notorious clash between police and miners at Orgreave on 18 June 1984 , the home secretary, Amber Rudd, has announced.
(4) There was however no difference in the cross-sectional studies and no significant deleterious effect detected of tobacco use on forearm bone mineral content.
(5) From these results, it was suggested that the inhibitory effect of Cd on in vitro calcification of MC3T3-E1 cells may be due to both a depression of cell-mediated calcification and a decrease in physiochemical mineral deposition.
(6) The effect of dietary fibre digestion in the human gut on its ability to alter bowel habit and impair mineral absorption has been investigated using the technique of metablic balance.
(7) The greatest advantages of spinal QCT for noninvasive bone mineral measurement lie in the high precision of the technique, the high sensitivity of the vertebral trabecular measurement site, and the potential for widespread application.
(8) The model has been used to evaluate mineral changes from the use of fluoride dentifrices and rinses, chewing gum, and food sequencing.
(9) These data indicate improved bone mineralization as compared with previously reported data from very-low-birth-weight neonates.
(10) Gladstone's speech was not made in Parliament, but to a crowd of landless agricultural workers and miners in Scotland's central belt, Gove pointed out.
(11) Artificially produced mineral waters which are identical to natural ones are also applied.
(12) The method of mineral estimation using phalanges is described and its reproducibility was tested on 17 parameters.
(13) Secondary structural features of bovine amelogenin, a hydrophobic protein of developing enamel implicated in ename mineralization, are derived using 2D NMR spectroscopy in solution and molecular mechanics-dynamics studies.
(14) Reduced mineral absorption is fairly well documented and has sound theoretical support from basic chemistry.
(15) Microbiological analyses of sediments located near a point source for petrogenic chemicals resulted in the isolation of a pyrene-mineralizing bacterium.
(16) Years of education completed and poverty status did not significantly affect folate concentrations; however, the prevalence of low folate concentrations among users of vitamin or mineral supplements was significantly lower than it was among nonusers in selected subgroups.
(17) Unsupplemented human breast milk may not provide sufficient calcium and phosphorus for the rapidly growing preterm infant to match the accumulation that should have taken place in utero and to permit normal bone mineralization.
(18) In some areas of the ligament, extracellular plasma membrane-invested matrix vesicles and thick wall-bound matrix giant bodies with or without mineralized deposits were present.
(19) My grandfather was a coal miner and Nana was rather plump and bossy.
(20) These diets were: diet C consisting of commercial Rat Chow: diet CG, the same diet diluted with 70% glucose calories, diet A, a simulated "American" diet made up of 25 widely used foods, diet AS, the same diet supplemented with small amounts of 25 vitamins and minerals.
Vermiculite
Definition:
(n.) A group of minerals having, a micaceous structure. They are hydrous silicates, derived generally from the alteration of some kind of mica. So called because the scales, when heated, open out into wormlike forms.
Example Sentences:
(1) A study was conducted to estimate the exposure-response relationship for tremolite-actinolite fiber exposure and radiographic findings among 184 men employed at a Montana vermiculite mine and mill.
(2) Fibrous actinolite was found in unexpanded Montana vermiculite ore at a maximum concentration of 2.0%.
(3) The addition of either vermiculite or polystyrene pellets in the two culture methods significantly (P less than 0.05) improved larval recoveries of both parasite species.
(4) A cohort of 406 men employed before 1963 for at least one year in a vermiculite mine in Montana was followed up until July 1983.
(5) Any possible adverse effects of work with vermiculite, minimally contaminated with fibrous or non-fibrous tremolite, were thus beyond the limits of detection in this workforce.
(6) A trickle-bed system employing inert matrices of vermiculite or polyurethane foam packed in the downcomer section of a split-flow air-lift reactor has been developed for hybridoma culture to enhance antibody productivity.
(7) In the course of a study on the health effects of vermiculite, 653 black rural industrial workers had their lung function measured.
(8) Actinolite was also found in the Virginia vermiculite ore but at a lower concentration and mostly as cleavage fragments with low length-to-width ratios.
(9) In the present project sputum samples from nearly 600 volunteers from 11 cohorts of workers exposed to asbestos and other mineral fibres were found to contain much lower numbers of asbestos bodies than had been observed in vermiculite workers and these counts did not reliably reflect past levels of exposure.
(10) Health effects have been documented among American vermiculite workers who mined and processed vermiculite contaminated with amphibole asbestos, viz., tremolite-actinolite.
(11) Rate parameters were derived from laboratory studies in which donor and recipient strains were incubated in test tubes with a peat-vermiculite solution or on excised radish or bean leaves in petri dishes.
(12) In the growth chamber, in sterilized soil-vermiculite mixtures, at 28 days after planting, UW85 seed treatments enhanced nodulation by 34 to 61%, indicating that the increase in nodulation was not dependent on the soil flora.
(13) A risk of mesothelioma caused by the fiber content of the vermiculite cannot be excluded by this study.
(15) The vermiculite workers were compared with other workers involved in the mining or refining of copper.
(16) The procedure was applied to data from a cohort of 406 vermiculite miners to examine the lung cancer risk associated with exposure to fibrous tremolite, which contaminated the vermiculite.
(17) In the presence of montmorillonite and vermiculite, expanding clays with high cation-exchange-capacity (CEC), nitrite yield was increased, ammonia oxidation continued at pH values below those which inhibited growth in the absence of clays and growth was biphasic.
(18) No larvae hatched out of a seven-day vermiculite culture of faeces collected from the treated calves 24 h after treatment.
(19) Transfer of seedlings to low-water-potential vermiculite caused a rapid decrease in mRNA hybridizing to pGE23.
(20) The data indicate that vermiculite mixed with sand (volume 1:1) is the most suitable soilless substrate for P. quinquefolium, for it is loose and features good preservation of fertility, water retaining, drainage, and air permeability.