Subtract the original volume of water from the reading you get after adding an object to a graduated cylinder containg water. meniscus [mÄ-nis´kus] (L.) something of crescent shape, as the concave or convex surface of a column of liquid in a pipet or medication cup, or a crescent-shaped fibrocartilage (semilunar cartilage) in the knee joint. Meniscus. meniscus â meniskus. A meniscus is the curved surface at the top of a column of liquid. Once RA is diagnosed, your doctor may prescribe: biologics; ⦠For most ... meniscus definition chemistry ... work together to produce motion. Because a torn meniscus is made of cartilage, it won't show up on X-rays. As you may have noticed, when water is in such a thin glass tube, it does not have a flat surface at the top. Chemistry Dictionaries. The edges of the liquid that is in touch with the wall of the container are held in an upper level with the help of adhesion forces. This may be seen between mercury and glass in ⦠However, before we explain why some liquid have a concave up meniscus while others share a concave down meniscus, we have to understand the adhesive forces at work of surface tension.Water, for example, is a polar molecule that ⦠Some people might estimate the meniscus position to be equally distant from each of the markings and estimate the tenth-place digit as 5, while ⦠The meniscus appears to be a bit closer to the 22-mL mark than to the 21-mL mark, and so a reasonable estimate of the liquidâs volume would be 21.6 mL. When these joints are affected by ⦠ð¥+ meniscus definition chemistry 14 Apr 2021 For individuals who suffer from inflammatory joint conditions like arthritis, food allergies could cause inflammation, which results in a flare-up of pain. CHEMISTRY GLOSSARY. The curve formed by the liquid is lowest where the metal ⦠This quiz ⦠Meniscus Point The meniscus point is when a liquid meniscus becomes clearly visible. The adhesion between the water and glass molecules is stronger than the cohesion between the water molecules. Thereafter this result is used to assess the force involved when a meniscus passes an edge ⦠es 1. Meniscus may refer to: Meniscus (anatomy), crescent-shaped fibrocartilaginous structure that partly divides a joint cavity; Meniscus (liquid), a curve in the upper surface of liquid contained in an object; Meniscus (optics), a type of optical lens; See also. This study focused on the native structure-mechanics relationships and on ⦠A torn meniscus is one of the most common knee injuries. Cohesion is the property of like molecules (of the same substance) to stick to each other due to mutual attraction. Definition; function of a condenser: direct and focus the light through the specimen: a pipette should be wiped off.. before lowering the meniscus to the calibration mark: most pure chemical grade: reagent or analytical grade (AR) Typical pain ⦠Clear Point The clear point is when the substance ⦠Was this definition helpful? 3. Such functions are mechanically demanding, and replacement constructs used in meniscus repair often fail because of a poor match with the surrounding tissue. Hydrogen bonding in water. A phase boundary that is curved because of surface tension . A crescent-shaped body. My book says that because in a container above the critical temperature and critical pressure, a fluid of density similar to liquid exists uniformly in the container and there is no surface or meniscus that separates the liquid from the gas. For describing the forces involved when a meniscus passes a hole in a plate as a model of a discontinuity in a microchannel, we start with establishing the shape of a meniscus and the forces involved when a liquid wets part of a side face of a vertically suspended plate. 4. Measuring medication at the meniscus. Periodic Tables; Chemistry News; Chemistry Links; Chemistry ⦠Consequently, you don't get that prestigious engineering job, where, 20 ⦠Why is a supercritical fluid not a liquid? Imaging tests. 1) The shape assumed by the surface of a liquid in a cylindrical container. X-rays. When measuring the level of liquid of a test tube or buret, it is imperative to measure at the meniscus line for an accurate reading. A convex meniscus occurs when the molecules have a stronger attraction to each other (cohesion) than to the material of the container (adhesion), causing the surface of the liquid to cave downward. The meniscus is the curvature of a liquid's surface within a container, such as a graduated cylinder. ... Science AP®ï¸/College Biology Chemistry of life Structure of water and hydrogen bonding. adj., adj menis´cal. » RHME; Find More Information. A meniscus is the curved surface at the top of a column of liquid. How to read a meniscus Definition of concave and convex meniscus The reason a meniscus occurs at the liquid's surface Skills Practiced. The bottom of the meniscus is used to measure the volume of a liquid in apparatus such as a graduated cylinder. The meniscus appears to be a bit closer to the 22-mL mark than to the 21-mL mark, and so a reasonable estimate of the liquidâs volume would be 21.6 mL. Diffen ⺠Science ⺠Chemistry. According to about.com, the meniscus is the curve seen at the top of a liquid in response to its container. Meniscus is the concave curve of a liquid surface in a graduate or ⦠Your doctor might move your knee and leg into different positions, watch you walk and ask you to squat to help pinpoint the cause of your signs and symptoms. In humans they are present in the knee, wrist, acromioclavicular, sternoclavicular, and temporomandibular joints; in other animals they may be present in other joints. Definition: Search for: Biology Glossary search by EverythingBio.com : A concave surface of a liquid resulting from surface tension. But X-rays can help rule out other problems ⦠Tweet. See more. ⦠Meniscus Tears can be extremely painful and debilitating, causing us to reach for painkillers over and over again just to find some relief. Meniscus Definition from Encyclopedia Dictionaries & Glossaries. Search the Dictionary for More Terms. Instead, the top is curved inward, making it a little ⦠All pages with titles containing Meniscus; All pages with titles beginning with Meniscus; This page was last edited on 2 ⦠From Lammon et al., 1996. Capillary action and why we see a meniscus. For Chemistry students who may have questions about how to accurately read a meniscus during Chemistry practicals, this is arriving just in time. Background: The knee meniscus is instrumental to stability, shock absorption, load transmission and stress distribution within the knee joint. In the number 21.6, then, the digits 2 and 1 are certain, but the 6 is an estimate. The Analytical Method Steps to take in an analytical procedure (eg- you are handled a sample and told to analyze it. Return to top of page. A meniscus is a crescent-shaped fibrocartilaginous anatomical structure that, in contrast to an articular disc, only partly divides a joint cavity. It can be torn if you suddenly twist your knee while bearing weight on it. Torn meniscus. The meniscus point is often listed in European melting point tables and is the preferred value of British Pharmacopeia. Mercury, on the other hand, forms a convex meniscus. As you may have noticed, when water is in such a thin glass tube, it does not have a flat surface at the top. Definition of meniscus. Search results for 'meniscus'. Meniscus Definition from Science & Technology Dictionaries & Glossaries. The meniscus (plural: menisci, from ⦠Decision 2. ⦠2. Your GPA falls from 4.00 to 3.99 and you don't get into that engineering college program you wanted. Does that mean that a liquid always has a meniscus which separates it from the liquid's ⦠NSAIDs such as ASA, acetaminophen or ibuprofen are often used to treat the pain but these drugs do nothing to treat the injury itself. The symptoms of osteoarthritis can affect one's ability to walk, work, and enjoy life. It is possible to measure the height (represented by h) of a test tube, buret, or other liquid column using the ⦠Some people might estimate the meniscus position to be equally distant from each of the markings and estimate the tenth-place digit as 5, while ⦠This is the currently selected item. Case I: The Meniscus. meniscus definition chemistryhow to meniscus definition chemistry for Treatment options. Analytical chemistry plays an essential role in several other fields of science including physical, organic, inorganic and atmospheric chemistry, biochemistry, medicine, biology, environmental sciences, geology, forensic science, space exploration, etc. The Chemistry Glossary contains basic information about basic terms in chemistry, physical quantities, measuring units, classes of compounds and materials and important theories and laws. Meniscus definition, a crescent or a crescent-shaped body. On the other hand, gases have weak cohesion. The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls and convex if it does not.
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