What's the difference between density and matter?

Density


Definition:

  • (n.) The quality of being dense, close, or thick; compactness; -- opposed to rarity.
  • (n.) The ratio of mass, or quantity of matter, to bulk or volume, esp. as compared with the mass and volume of a portion of some substance used as a standard.
  • (n.) Depth of shade.

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) Ca2+ transport was positively correlated with MR cell density.
  • (3) Osteoporosis is characterized by a reduction in bone density.
  • (4) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
  • (5) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
  • (6) In schizophrenic patients the density of dopamine uptake sites in the basal ganglia was slightly reduced, mainly in the middle third of putamen.
  • (7) Size analysis of the solubilized IgA IP employing sucrose density gradient ultracentrifugation, indicated that these were heterogeneous, with a size generally larger than 19 S.
  • (8) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
  • (9) We report on a patient, with a CT-verified low density lesion in the right parietal area, who exhibited not only deficits in left conceptual space, but also in reading, writing, and the production of speech.
  • (10) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
  • (11) We assessed changes in brain water content, as reflected by changes in tissue density, during the early recirculation period following severe forebrain ischemia.
  • (12) Macrophages internalize aggregated low density lipoprotein (LDL) by LDL receptor-dependent phagocytosis.
  • (13) The capillary-adipocyte distances were shorter and the vascularization density was higher in old rats.
  • (14) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
  • (15) When compared with nonspecialized regions of the cell membranes, these contact sites were characterized by a decreased intercellular distance, subplasmalemmal densities and coated pits.
  • (16) Furthermore, high-density catalase-positive--but not catalase-negative--E. coli can survive and multiply in the presence of competitive, peroxide-generating streptococci.
  • (17) The deep cerebellar nuclei were moderately labeled at birth and gradually decreased in density thereafter.
  • (18) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
  • (19) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.
  • (20) These observations suggest that the liver secretes disk-shaped lipid bilayer particles which represent both the nascent form of high density lipoproteins and preferred substrate for lecithin-cholesterol acyltransferase.

Matter


Definition:

  • (n.) That of which anything is composed; constituent substance; material; the material or substantial part of anything; the constituent elements of conception; that into which a notion may be analyzed; the essence; the pith; the embodiment.
  • (n.) That of which the sensible universe and all existent bodies are composed; anything which has extension, occupies space, or is perceptible by the senses; body; substance.
  • (n.) That with regard to, or about which, anything takes place or is done; the thing aimed at, treated of, or treated; subject of action, discussion, consideration, feeling, complaint, legal action, or the like; theme.
  • (n.) That which one has to treat, or with which one has to do; concern; affair; business.
  • (n.) Affair worthy of account; thing of consequence; importance; significance; moment; -- chiefly in the phrases what matter ? no matter, and the like.
  • (n.) Inducing cause or occasion, especially of anything disagreeable or distressing; difficulty; trouble.
  • (n.) Amount; quantity; portion; space; -- often indefinite.
  • (n.) Substance excreted from living animal bodies; that which is thrown out or discharged in a tumor, boil, or abscess; pus; purulent substance.
  • (n.) That which is permanent, or is supposed to be given, and in or upon which changes are effected by psychological or physical processes and relations; -- opposed to form.
  • (n.) Written manuscript, or anything to be set in type; copy; also, type set up and ready to be used, or which has been used, in printing.
  • (v. i.) To be of importance; to import; to signify.
  • (v. i.) To form pus or matter, as an abscess; to maturate.
  • (v. t.) To regard as important; to take account of; to care for.

Example Sentences:

  • (1) It is concluded that during exposure to simulated microgravity early signs of osteoporosis occur in the tibial spongiosa and that changes in the spongy matter of tubular bones and vertebrae are similar and systemic.
  • (2) The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting system that removes tissue by vibration, irrigation and suction; fluid and particulate matter from tumors are aspirated and subsquently deposited in a canister.
  • (3) Cranial MRI revealed delayed myelination in the white matter but no brain malformation.
  • (4) Whittingdale also defended the right of MPs to use privilege to speak out on public interest matters.
  • (5) The findings confirm and quantitate the severe atrophy of the neostriatum, in addition to demonstrating a severe loss of cerebral cortex and subcortical white matter in HD.
  • (6) With respect to family environment, a history of sexual abuse was associated with perceptions that families of origin had less cohesion, more conflict, less emphasis on moral-religious matters, less emphasis on achievement, and less of an orientation towards intellectual, cultural, and recreational pursuits.
  • (7) I wish to clarify that for the period 1998 to 2002 I was employed by Fifa to work on a wide range of matters relating to football,” Platini wrote.
  • (8) The matter is now in the hands of the Guernsey police and the law officers.” One resident who is a constant target of the paper and has complained to police, Rosie Guille, said the allegations had a “huge impact on morale” on the island.
  • (9) Women who make their first visit during their first pregnancy are more likely than those who are not pregnant to receive a pregnancy test or counseling on matters other than birth control.
  • (10) After friends heard that he was on them, Brumfield started observing something strange: “If we had people over to the Super Bowl or a holiday season party, I’d notice that my medicines would come up short, no matter how good friends they were.” Twice people broke into his house to get to the drugs.
  • (11) In the subgroup of children under age 5 years at the time of diagnosis, 10 of 11 showed neuropsychologic deficits, and eight of 11 had white matter changes.
  • (12) "We understand that the matter is currently under review by the inspector general," Carney said.
  • (13) Cadavers have a multitude of possible uses--from the harvesting of organs, to medical education, to automotive safety testing--and yet their actual utilization arouses profound aversion no matter how altruistic and beneficial the motivation.
  • (14) It doesn’t matter when art was made; it’s all contemporary.
  • (15) The HKSAR government will continue to follow up on the matter so as to protect the legal rights of the people of Hong Kong."
  • (16) He said: "This is a wonderful town but Tesco will suck the life out of the greengrocers, butchers, off-licence, and then it is only a matter of time for us too.
  • (17) He was often detained and occasionally beaten when he returned to Minsk for demonstrations, but “if he thought it was professional duty to uncover something, he did that no matter what threats were made,” Kalinkina said.
  • (18) His wrists were shown wrapped in tape with “MIKE BROWN” and “MY KIDS MATTER” written on them.
  • (19) This isn’t a devolved matter, this is about when they come to our shores here, UK taxpayers and their ability to use UK services,” Creasy said.
  • (20) It’s not just a matter of will or gumption or desire on my part.