Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

operations research

noun

Definition of operations research

  1. :  the application of scientific and especially mathematical methods to the study and analysis of problems involving complex systems —called also operational research

Indulge Your Inner Word Nerd

emoji-the-quiz
The Emoji Quiz
alt-59721dd897313
The 'Best' Way to Sign Off On An E-mail
video-title-words-of-the-year-1066
Words of the Year: 1066
alt-597233d35a146
Trending: 'Scaramouch,' Scaramucci Possibly to Fandango

First Known Use of operations research

1943

Learn More about operations research

  1. Britannica.com: Encyclopedia article about operations research

Seen and Heard

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

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

gauche

play

lacking social experience or grace

Get Word of the Day daily email!

TRENDING NOW

  1. scaramouch A new White House communications director

  2. non sequitur “It does not follow”

  3. admiral's mast A massive search ends with an 'admiral's mast'.

  4. calumny 'An untrue statement that is made to damage someone's reputation'

  5. kakistocracy Frustrated Twitter users have been searching for this word.

SEE ALL

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

alt-59721dd897313
The 'Best' Way to Sign Off On An E-mail

Give them your best

image386126722
Words and Phrases That Come from the Dinner Table

Fill your plate with these surprising food words

ghost-being-disinvited-from-party
'Disinvite' or 'Uninvite'?

A disinvited guest is an uninvited problem

alt-596f730ceb5ae
Words We're Watching: 'Scoby'

Kombucha lovers unite.

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

emoji-the-quiz
The Emoji Quiz

Think you’re an emoji 👓 expert? Let’s see 🤔

Take the quiz
image941935269
A Game of Thrones Word Quiz

In the Game of Thrones quiz, you learn some new vocabulary. (It’s quite safe, really. You will not die.)

Take the quiz
Spell It
Spell It

Can you spell these 10 commonly misspelled words?

Take the quiz
Syn City
Syn City

Build a city of skyscrapers—one synonym at a time.

Play the game