Density Meaning
/ˈdɛn.sɪ.ti/Definition, CEFR level B1, pronunciation, examples, and quiz.
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Definition
nounThe amount of a certain phenomenon (such as stuff, things, energy, or otherwise) in a given area (surface area) or volume (amount of space).
nounThe amount of a certain phenomenon (such as stuff, things, energy, or otherwise) in a given area (surface area) or volume (amount of space)., A measure of the mass of matter contained by a unit volume.
Sentence Examples
A recent survey reveals that the population density in the metropolis is decreasing.
A recent survey revealed that the population density in the metropolis was decreasing.
The population density in this city is very high.
Synonyms & Antonyms
Synonyms:
Antonyms:
CEFR Practice Quiz
Scientists measured the ____ of the gas by dividing mass by volume.
CEFR Practice Quiz (Alternate)
A recent survey reveals that the population ____ in the metropolis is decreasing.
Word Origin & History
Borrowed from Middle French densité or Latin densitas. Morphologically dense + -ity.
Literary Quotations & Historical Citations
"In the past two years, NASA’s Kepler Space Telescope has located nearly 3,000 exoplanet candidates ranging from sub-Earth-sized minions to gas giants that dwarf our own Jupiter. Their densities range from that of styrofoam to iron."
— 2013 May-June, Kevin Heng, “Why Does Nature Form Exoplanets Easily?”, in American Scientist, volume 101, number 3, page 184:
"The microcannon was seen moving at about a micron per second, it was about 15 microns long, and the high speed photograph was done in water (density of 1 kg/L, viscosity of about 0.001 pascal seconds)."
— 2018 February 28, Alexander Klotz, “Microcannons firing Nanobullets”, in Softbites:
"Aquafaba was recovered from 10 commercial canned chickpea products and correlations among aquafaba composition, density, viscosity and foaming properties were investigated. Proton NMR was used to characterize aquafaba composition before and after ultrafiltration through membranes with different molecular weight cut offs (MWCOs of 3, 10, or 50 kDa)."
— 2018 October 3, Youn Young Shim, Rana Mustafa, Jianheng Shen, Kornsulee Ratanapariyanuch, Martin J. T. Reaney, “Composition and Properties of Aquafaba: Water Recovered from Commercially Canned Chickpeas”, in Journal of Visualized Experiments, volume 132, →DOI, →PMID:
"Density, which is genetically linked, deals with the number of strands per square inch on your scalp. Normal density can range from slight to substantial, varying from person to person."
— 2007, Lisa Akbari, Every Woman's Guide to Beautiful Hair at Any Age, page 37:
"It is vital to use proper keyword density because if your density is too low, your SERP's ranking decreases."
— 2010, Alyssa Ast, The Fundamentals of SEO for the Average Joe, page 23:
Explore More B1 Vocabulary Words
CEFR Practice Quiz
Scientists measured the ____ of the gas by dividing mass by volume.
CEFR Practice Quiz (Alternate)
A recent survey reveals that the population ____ in the metropolis is decreasing.