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- Dictionaryultra-fine
adjective
- 1. extremely fine in size, texture, composition, etc.: "ultra-fine particles which are invisible to the naked eye"
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consisting of extremely fine (= small or thin) pieces or drops: People may develop heart disease when they are exposed to ultra-fine particles that are common pollutants in urban air. A grinder is used to crush the mesquite seeds into an ultra-fine powder. very delicate and thin:
The meaning of ULTRAFINE is fine to an extreme degree. How to use ultrafine in a sentence. fine to an extreme degree: such as; extremely small, thin, or precise; of extremely high quality…
Aug 23, 2014 · Although a rather thick (1 denier or more) fiber is sometimes claimed as an ultra-fine fiber commercially, an ultra-fine fiber should preferably be specified as a fiber of less than 0.5 d. A fiber of less than 0.1 d is sometimes referred to as a super ultra-fine fiber.
Definition of 'ultrafine' Word Frequency. ultrafine in British English. (ˈʌltrəˌfaɪn , ˌʌltrəˈfaɪn ) adjective. 1. extremely small or delicate. 2. (of metals) having an extremely high level of purity. Collins English Dictionary. Copyright © HarperCollins Publishers. Examples of 'ultrafine' in a sentence. ultrafine.
Define ultrafine. ultrafine synonyms, ultrafine pronunciation, ultrafine translation, English dictionary definition of ultrafine. adj 1. extremely small or delicate 2. having an extremely high level of purity Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 ©...
Synonyms for ULTRAFINE: superfine, filtered, refined, pulverized, smooth, powdery, dusty, fine; Antonyms of ULTRAFINE: coarse, granular, granulated, grainy, rough, sandy, unrefined, unfiltered.
Definitions of 'ultrafine' 1. extremely small or delicate. [...] 2. (of metals) having an extremely high level of purity. [...] More. Examples of 'ultrafine' in a sentence. These examples have been automatically selected and may contain sensitive content that does not reflect the opinions or policies of Collins. Read more.
adjective. 1. extremely small or delicate. 2. (of metals) having an extremely high level of purity. Collins English Dictionary. Copyright © HarperCollins Publishers. Examples of 'ultrafine' in a sentence. ultrafine.
Mar 17, 2020 · UFP typically refers to a particle that is incidentally generated in the environment, often as a byproduct of fossil fuel combustion, condensation of semivolatile substances or industrial...
Ultrafine particles ( UFPs) are particulate matter of nanoscale size (less than 0.1 μm or 100 nm in diameter). [1] Regulations do not exist for this size class of ambient air pollution particles, which are far smaller than the regulated PM 10 and PM 2.5 particle classes and are believed to have several more aggressive health implications than ...
