what does viscous mean
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- Princeton's WordNet(4.00 / 1 vote)Rate this definition: 1  syrupy, viscous(adj) having a relatively high resistance to flow. 2  gluey, glutinous, gummy, mucilaginous, pasty, sticky, viscid, viscous(adj) having the sticky properties of an adhesive.
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- Simply put viscosity is a physical property of a fluid or gas that reflects it’s tendency to flow. We commonly refer to high. viscosity fluids as being “thick” and low viscosity fluids as being “thin”. It’s an important property of a motor oil because. changes in viscosity affect the ability of the oil to lubricate and protect the moving parts of an internal combustion engine.
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fluid fluid. n. 1. (General Physics) a substance, such as a liquid or gas, that can flow, has no fixed shape, and offers little resistance to an external stress. adj. 2. (General Physics) capable of flowing and easily changing shape.
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The Essential Vermeer Glossary of Art-Related Terms: D - I Viscosity is the measure of a substance's resistance to motion under an applied force. The formula for measuring viscosity is fairly simple: viscosity = shear stress / shear rate. The result is typically expressed in centipoise (cP), which is the equivalent of 1 mPa s (millipascal second).
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What is Viscosity? Viscosity is the measure of the internal friction of a fluid. This friction becomes apparent when a layer of fluid is made to move in relation to another layer. The greater the friction, the greater the amount of force required to cause this movement, which is called shear.
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- The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal concept of thickness.For example, honey has a much higher viscosity than water.or example, water at 20 °C has a viscosity of 1.002 mPa·s, while a typical motor oil could have a viscosity of about 250 mPa·s. The units used in practice are either Pa·s and its submultiples or the cgs Poise referred to below, and its submultiples.
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viscosity A solution that has high viscosity is relatively thick and flows slowly because of the adhesive effect of adjacent molecules. -viscid, viscous adj. An MRI term for a measure of a fluid’s resistance to deformity by shear or tensile stress, which affects its mobility and therefore its intensity in an image.
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What is viscosity? the resistance to flow! Viscosity of often referred to as the thickness of a fluid. You can think of water (low viscosity) and honey (high viscosity). However, this definition can be confusing when we are looking at fluids with different densities. At a molecular level, viscosity is a result the interaction between the different molecules in a fluid.
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fluid fluid-smooth and unconstrained in movement; a long, smooth stride; the fluid motion of a cat; the liquid grace of a ballerina. fluent, smooth, liquid. graceful-characterized by beauty of movement, style, form, or execution.. A continuous, amorphous substance whose molecules move freely past one another and that has the tendency to assume the shape of its container; a liquid or gas. adj. 1. Of, relating to, or characteristic of a fluid.
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- A viscosity converting table between units like Centiposes, milliPascal, CentiStokes and SSU. The viscosity of a fluid is its resistance to shear or flow, and is a measure of the fluids adhesive/cohesive or frictional properties.
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What Is Viscosity in Physics? Science. Viscosity is a measurement of how resistant a fluid is to attempts to move through it. A fluid with a low viscosity is said to be thin, while a high viscosity fluid is said to be thick.. It is easier to move through a low viscosity fluid (like water) than a high viscosity fluid (like honey). Newtonian and Non-Newtonian Fluid Viscosity Most common fluids, called Newtonian fluids (yes, another thing named after that Newton), have a constant viscosity. 1  There is a greater resistance as you increase the force, but it's a constant proportional increase. In short, a Newtonian fluid keeps acting like a fluid, no matter how much force is put into it.
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Viscosity and surface tension The viscosity of a fluid is basically a measure of how sticky it is. Water has a fairly low viscosity; things like shampoo or syrup have higher viscosity. Viscosity also depends on temperature - engine oil, for instance, is much less viscous at high temperatures than it is in a cold engine in the middle of winter.
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- Viscous heating represents the effect of an irreversible process by means of which the work done by a fluid on adjacent layers due to the action of shear forces is transformed into heat.
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Why is the cell membrane described as a fluid mosaic model ? Thus, water is thin, having alower viscosity, while honey is thick, having a higher viscosity. Put simply, the less viscous the fluid is, the greaterits ease of movement (fluidity). [1] Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction.
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VISCOSITY Hypernyms (viscosity is a kind of...): body; consistence; consistency (the property of holding together and retaining its shape) Hyponyms (each of the following is a kind of viscosity): stickiness (the property of sticking to a surface) sliminess (a property resembling or being covered with slime) cohesiveness; glueyness; gluiness; gumminess; ropiness; tackiness; viscidity; viscidness (the property of being cohesive and sticky) gelatinousness; glutinosity; glutinousness (the property of having a viscosity like jelly)
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- Oil is usually more viscous than water, yet oil is less dense and floats on top of water. If a fluid is heated, it tends to become. less viscous, and if cooled, it tends to become. more viscous. The colder the temperature, the. more viscous the fluid becomes, hence the. saying “slower than molasses in January”.
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viscose A thick, golden-brown viscous solution of cellulose xanthate, used in the manufacture of rayon and cellophane. 2. Viscose rayon. adj. 1. Viscous. 2. Of, relating to, or made from viscose.
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viscosity Viscosity is thickness, or a measure of how resistant a liquid is to flowing. The thickness of a semi-fluid liquid such as maple syrup is an example of viscosity. pl. -·ties. the state or quality of being viscous.
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- The viscosity of a liquid is a measure of the difficulty which molecules have passing each other in a fluid. It is dependent upon the size and shape of the molecules and by the magnitude of the cohesive forces and intermolecular bonds such as hydrogen bonding.
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- Viscosity is the measure of a substance's resistance to motion under an applied force. The result is typically expressed in centipoise (cP), which is the equivalent of 1 mPa s (millipascal second). Shear stress is the force per unit area required to move one layer of fluid in relation to another.
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Why is the cell membrane described as a fluid mosaic model ? Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is thin, having a lower viscosity, while vegetable oil is thick having a higher viscosity.
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Apparent viscosity Apparent viscosity (sometimes denoted η) is the shear stress applied to a fluid divided by the shear rate (). For a Newtonian fluid, the apparent viscosity is constant, and equal to the Newtonian viscosity of the fluid, but for non-Newtonian fluids, the apparent viscosity depends on the shear rate.
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- Technically, viscosity is defined as resistance to flow. Commonly though, we think of it as an oil's thickness. To be more specific, it is the thickness of an oil at a given temperature. The plot thickens (ha!).The viscosity of an oil could be reported at any temperature, but to standardize things, most laboratories report either a low temp (100F or 40C) or a high temp (210F or 100C) and stick with either SUS or cSt.o matter what you call it, the number given simply defines the thickness of the oil at the standard high temperature. Straight Weight vs. Multi-Grade Engine oil can be either a straight weight or a multi-grade viscosity.
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Viscosity from Wikipedia, the free encyclopedia. Viscosity is a measure of the resistance of a fluid to deformation under shear stress. It is commonly perceived as thickness, or resistance to pouring. Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is thin, having a low viscosity, while vegetable oil is thick having a high viscosity.