working substance

noun

Definition of working substance

: a usually fluid substance that through changes of temperature, volume, and pressure is the means of carrying out thermodynamic processes or cycles (as in a heat engine)

Keep scrolling for more

Learn More about working substance

Dictionary Entries near working substance

working substance

work in process

Statistics for working substance

Look-up Popularity

Time Traveler for working substance

The first known use of working substance was in 1855

See more words from the same year

Comments on working substance

What made you want to look up working substance? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

imbroglio

a complex dispute or argument

Test Your Vocabulary

Homophone Quiz

In order to judge how people felt, the senator's office hired a firm to take a ______.

pol poll
poal pole

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Words at Play

Ask the Editors

Word Games