
Viscosity - Wikipedia
[1] For liquids, it corresponds to the informal concept of thickness; for example, syrup has a higher viscosity than water. [3] Viscosity is defined scientifically as a force multiplied by a time divided …
Viscosity | Definition, Facts, Formula, Units, & Examples | Britannica
Nov 21, 2025 · What is viscosity? Viscosity is the resistance of a fluid (liquid or gas) to a change in shape or movement of neighbouring portions relative to one another. Viscosity denotes …
Viscosity: Why Liquids Resist Flow and the Role of Intermolecular …
Learn how viscosity measures a liquid’s resistance to flow, why “thick” liquids like syrup move slowly, and how intermolecular forces and molecular structure impact flow rate.
Viscosity: Definition, Examples, and Formula - Science Facts
Oct 18, 2024 · Viscosity is a physical quantity that describes a fluid’s resistance to flow. It is a property that resists the relative displacement of the different layers of the fluid.
Viscosity – The Physics Hypertextbook
Informally, viscosity is the quantity that describes a fluid's resistance to flow. Formally, viscosity is the ratio of shearing stress to velocity gradient.
What is Viscosity? - GeeksforGeeks
Jul 23, 2025 · Viscosity refers to a fluid's resistance to flow, indicating how easily it deforms or changes shape when exposed to stress. A high viscosity means the fluid flows slowly, such as …
Viscosity: Definition, Formula, SI Unit & Examples for Physics 2025
The internal friction that arises due to this difference in velocity is termed viscosity. Fluids with high viscosity (like honey or oil) flow more slowly, while fluids with low viscosity (like water or …
VISCOSITY Definition & Meaning - Merriam-Webster
The meaning of VISCOSITY is the quality or state of being viscous : a sticky or glutinous consistency. How to use viscosity in a sentence.
Viscosity - Purdue University
The resistance of a liquid to flow is called its viscosity. Viscous liquids like syrup and shampoo flow slowly. Less viscous liquids like water and gasoline flow quickly. The viscosity of a liquid …
Viscosity: Core Concepts in Fluid Mechanics Engineering
Viscosity describes how thick or sticky a fluid is, reflecting its internal friction when layers slide past each other. A low-viscosity fluid, like water, flows easily, while a high-viscosity fluid, like …