funnel shape
Học thuậtThân thiện
Definition
Noun: A three-dimensional geometric form that resembles a funnel; specifically, a cone shape that is not uniform, having one circular opening that is significantly wider than the opposite circular opening, with sides that taper smoothly between them. It is the characteristic form of a household funnel or a tornado.
Usage
The term "funnel shape" is used to describe any object, formation, or area that narrows from a broad opening to a smaller one. * The tornado descended from the cloud in a distinct funnel shape. * Pour the liquid into the beaker using a glass with a funnel shape. * The valley had a funnel shape, wide at the coast but narrowing inland.
Advanced Usage
- In Meteorology: The classic visual description of a tornado is a "funnel cloud," emphasizing its funnel shape.
- In Design and Engineering: Objects are sometimes given a funnel shape to guide the flow of materials, fluids, or even people (e.g., crowd control barriers).
Variants and Related Words
- Funnel (noun): The physical tool whose shape is being described.
- Conical (adjective): Relating to or shaped like a cone. A funnel shape is a specific type of conical shape where the apex is truncated into a smaller opening.
- Tapered (adjective): Becoming gradually narrower. This describes the sides of the funnel shape.
Synonyms
- Tapering form
- Cone shape (though this often implies a pointed apex, unlike a funnel's open end)
Related Phrases/Idioms
- Funnel into: (Phrasal verb) To direct or channel something into a narrower space or destination. This verb derives from the function of the funnel shape.
- Traffic was funneled into a single lane.
Noun
- a conical shape with a wider and a narrower opening at the two ends