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.
This design offers several potential advantages, including higher energy density, improved safety, and longer battery life.
From Science Daily ● Jul. 10, 2026
The 1.65 megajoules per kilogram recorded in their February paper is significantly greater than the energy density of lithium-ion batteries, currently the most popular type of battery for phones and electric cars.
From BBC ● May 7, 2026
In contrast, the Virginia Tech study kept daily calories and energy density the same between diets and evaluated intake at one buffet-style meal.
From Science Daily ● Dec. 10, 2025
Safer batteries are important to customers, and allow for greater energy density because less space is wasted on heat control, he added.
From The Wall Street Journal ● Dec. 8, 2025
Ordinary matter, which has a positive energy density, gives space-time a positive curvature, like the surface of a sphere.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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.
