POSITIVE MENISCUS Meaning and
Definition
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A positive meniscus refers to a specific shape that a liquid takes when it is contained within a cylindrical tube or vessel. It occurs when the liquid has a greater level of cohesion to the walls of the container than to itself. In this case, the liquid forms a convex meniscus, meaning that the liquid surface near the walls of the container is higher than at the center.
This phenomenon typically occurs with liquids such as water, due to the strong intermolecular forces between the liquid molecules and the container. The adhesive forces between the liquid molecules and the container surface cause the liquid to climb along the vertical walls, causing the curved shape known as a positive meniscus.
The magnitude of the positive meniscus is influenced by various factors, including the nature and cleanliness of the container material, the type of liquid, and the ambient conditions like temperature and pressure. For instance, certain materials, like glass, tend to exhibit a more pronounced positive meniscus with water than others.
The positive meniscus phenomenon has practical applications in various scientific fields, such as chemistry and biology. It is often taken into account when conducting precise measurements with liquid volumes, particularly in laboratory settings. Understanding and accurately compensating for the effect of a positive meniscus is important for obtaining precise experimental results.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for POSITIVE MENISCUS
- positive meniscts
- positive meniscu3
- positive meniscuc
- positive meniscuq
- positive meniscur
- po sitive meniscus
- pos itive meniscus
- posi tive meniscus
- posit ive meniscus
- positi ve meniscus
- positiv e meniscus
- positive m eniscus
- positive me niscus
- positive men iscus
- positive meni scus
- positive menis cus
- positive menisc us
- positive meniscu s
Etymology of POSITIVE MENISCUS
The word "positive" in the term "positive meniscus" refers to the convex shape of the meniscus. "Positive" signifies that the curvature of the lens or surface is outward, bulging outward like a dome. The term "meniscus" originates from the Greek word "meniskos", meaning "crescent", which refers to the shape of the lens.
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