Word of the Day
Apps by Dictionary
Know how to use "fewer" and "less"? Find out.
any of various types of engines driven by energy produced by combustion.
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for
uses an electric generator and a super-powered electric motor to drive the propeller.
We had slipped into a part of the world that mercifully the internal
had failed to conquer.
isn't going anywhere soon.
With electrification and the development of the internal-
, there were new ways to move people and goods around.
They recorded the sounds made by an approaching hybrid vehicle and by a car with a standard, internal
Use the hydrogen within an external
to produce electricity.
The inner workings of an internal
have rarely been seen as clearly, or as entertainingly.
Build in a special gearbox which combines the output of the motor with that of an internal-
Eventually, it is hoped, fuel cells running on hydrogen will take the place of the ubiquitous internal
Better still, being electrically powered instead of relying on an internal-
, they can be used indoors.
Discover our greatest slideshows
8 Wintry Words
A lot vs. Alot: 9 Grammatical...
10 Words Coined in the Sci-Fi...
9 Words About Beginnings
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Difficulty index for
Few English speakers likely know this word
Word Value for
Words With Friends
Nearby words for combustion engine
combined fat and carbohydrate-induced hyperlipemia
come a cropper
come a long way
come and get it
come and go
come apart at the seams
come at someone like six headlights