Merriam-Webster Logo
SINCE 1828
dictionary
thesaurus
view recents

observation equation

noun
Save Word

Definition of observation equation

: an equation expressing a measured value of some function of one or more unknown quantities

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about observation equation

Statistics for observation equation

Cite this Entry

“Observation equation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/observation%20equation. Accessed 15 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

fealty

Listen to the pronunciation of fealty

See Definitions and Examples »

Test Your Vocabulary

Name that Thing: Dog Breeds

  • any of a breed of small compact heavy-boned dogs developed in france and having erect ears
  • Name that dog!
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
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
Ask the Editors
Word Games