
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 by an …
Viscosity | Definition, Facts, Formula, Units, & Examples | Britannica
Nov 21, 2025 · 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 opposition to flow.
Viscosity: Why Liquids Resist Flow and the Role of Intermolecular Forces
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 Terms and Definitions - Gardco
Absolute Viscosity - The force needed for a liquid to overcome its internal friction and start to flow. Also known as dynamic viscosity. Centipoise - A unit of measurement for dynamic viscosity equivalent to …
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 honey, …
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? - BYJU'S
In this article, you will learn what viscosity is, how it is measured, and the viscosity equation of a fluid. You’ll also explore the reasons why viscosity is important.
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 air) flow …
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.