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WordNet-Online
Definitions from WordNet
Noun rarefaction has 1 sense | ||||
Definitions from the WebRarefactionDefinition:Rarefaction refers to the process or condition of becoming less dense, crowded, or concentrated. It is commonly used in various scientific fields. Parts of Speech:
Senses:Noun:1. Physics: The reduction in density and pressure of a medium, especially air, caused by the passage of a sound wave. Example: The rarefaction of air molecules is essential for the propagation of sound waves. 2. Biology: The decrease in number or density of organisms in a population, ecosystem, or biological sample. Example: The rarefaction of fish population in the polluted river indicates an ecological imbalance. Verb:1. Physics: To cause or undergo a decrease in density or pressure by the passage of a sound wave. Example: The loud music will rarefy the air in the concert hall. 2. Biology: To cause or experience a decrease in number or density. Example: The deforestation has rarefied the bird population in the area. Related Products: | ||||
rare-earth element rare rare bird rare earth rare earth elements rarebit rarecenter raree-show rarefaction rarefied rarefy rareing rarely-updated rarely rareness rarer rarest
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