energy density
Americannoun
Etymology
Origin of energy density
First recorded in 1955–60
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To reach that goal, however, the battery will need further improvements in low-temperature charging and energy density.
From Science Daily ● Jun. 21, 2026
New battery tech must compete on lifespan, durability, energy density, safety and cost—which is dependent on massive scale.
From The Wall Street Journal ● Jun. 19, 2026
In a paper published in February, she and colleagues described the most promising energy storage system of this kind to date, at least in terms of its energy density.
From BBC ● May 7, 2026
Green methanol, however, has a low energy density and takes up cargo space.
From Barron's ● Nov. 18, 2025
Thus their energy is counted over and over again and the energy density will become very large.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.