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.
It’s also why diesel is used to power heavier machines, such as trucks, tractors and even ships, where the energy density of the fuel matters more.
From The Wall Street Journal ● Oct. 1, 2026
Controlled feeding studies have shown that reducing the energy density of meals can help people feel full while lowering the amount of energy they consume.
From Science Daily ● Aug. 17, 2026
"It will be exciting to see future sodium-ion technologies that are free of nickel and copper, as well, while achieving competitive energy density," he said.
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
The fact that there are fewer virtual photons between the plates means that their energy density will be less than elsewhere.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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