com·​ple·​men·​tor | \ ˈkäm-plə-ˌmen-tər How to pronounce complementor (audio) , -mən- \
plural complementors

Definition of complementor

: a company that sells a product or service that complements the products or services of another company Microsoft and Intel are complementors. Microsoft's sophisticated software packages require ever more powerful chips from Intel. The chips in turn make the software feasible and economic.— Richard Koch, The 80/20 Principle and 92 Other Powerful Laws of Nature, 2013 Hard negotiations with complementors (companies with complementary products/services and mutual customers) and suppliers can come back to bite you.— Rajshree Agarwal and Raj Echambadi, The Baltimore Sun, 4 Nov. 2011 Often the adoption of new technology and the growth of the market are affected by the degree to which complementary products and services are available from complementors for customers.— Adrian Ryans et al., Winning Market Leadership, 2000

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!

First Known Use of complementor

1996, in the meaning defined above

Keep scrolling for more

Learn More about complementor

Time Traveler for complementor

Time Traveler

The first known use of complementor was in 1996

See more words from the same year

Statistics for complementor

Cite this Entry

“Complementor.” Dictionary, Merriam-Webster, Accessed 1 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on complementor

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


Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
Spell It

Can you spell these 10 commonly misspelled words?


Anagram puzzles meet word search.

Love words? Need even more definitions?

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