SINCE 1828
open-hearth
adjective
\ ˌō-pən-ˈhärth
\
\
Definition of open-hearth
: of, relating to, involving, or produced in the open-hearth process
open-hearth steel
Keep scrolling for more
Comments on open-hearth
What made you want to look up open-hearth? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words from Greek and Latin Quiz
-
- Which of the following months comes from a Latin word for “ten”?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Words from Greek and Latin Quiz
Finally! A use for those SAT prep classes.
Take the quiz -
Name That Thing: Animal Edition
How many animals can you identify?
Take the quiz -
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz -
Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share open-hearth
Resources for open-hearth