Did you know?

Click any word in a definition or example to find the entry for that word

chemograph - definition and synonyms

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

  1. From our crowdsourced Open Dictionary
    an impression created on a medium by a chemical reaction

    Molecular orbital contour models could be made on a piece of paper by reacting iron filings spread out under a magnetic field with chemicals. Such chemographs can be easily circulated in a classroom.

    Submitted by CR. ANANDAN from India on 14/07/2010


to manipulate someone psychologically so that they begin to question their own perceptions and memories

BuzzWord Article

Open Dictionary

Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play