A typical kitchen funnelA ceramic Roman kitchen funnel (1st–3rd century AD)
A funnel is a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening.
Funnels are usually made of stainless steel, aluminium, glass, or plastic. The material used in its construction should be sturdy enough to withstand the weight of the substance being transferred, and it should not react with the substance. For this reason, stainless steel or glass are useful in transferring Diesel fuel, while plastic funnels are useful in the kitchen. Sometimes disposable paper funnels are used in cases where it would be difficult to adequately clean the funnel afterwards (for example, in adding motor oil into a car). Dropper funnels, also called dropping funnels or tap funnels, have a tap to allow the controlled release of a liquid. A flat funnel,[1] made of polypropylene, utilises living hinges and flexible walls to fold flat.
The term "funnel" may refer to the chimney or smokestack on a steam locomotive and commonly refers to the same on a ship. The term funnel is also applied to other seemingly strange objects like a smoking pipe or a kitchen bin.
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"Flat Funnel for Compact Storage in kitchen garage RV to funnel fluids". Flat Funnel. Archived from the original on 2016-05-28. Retrieved 2016-06-09.
A funnel is a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening. Funnels are usually...
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and funnel-like section at the top. Thistle tubes are typically used by chemists to add liquid to an existing system or apparatus. Thistle funnels are...
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The Funnel(-neck-)beaker culture, in short TRB or TBK (German: Trichter(-rand-)becherkultur, Dutch: Trechterbekercultuur; Danish: Tragtbægerkultur; c. 4300–2800...
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The folding funnel hypothesis is a specific version of the energy landscape theory of protein folding, which assumes that a protein's native state corresponds...
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