Definition of 'cardioid'
noun
Ancient Mathematics
a curve more or less in the shape of a heart, traced by a point on the circumference of a circle that rolls around the circumference of another equal circle
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Trends of 'cardioid'
Used Rarely. cardioid is in the lower 50% of commonly used words in the Collins dictionary
View usage for:
Nearby words of 'cardioid'
Source
Definition of cardioid from the
Collins English Dictionary
Collins Dictionaries for Schools
Our new online dictionaries for schools provide a safe and appropriate environment for children. And best of all it's ad free, so sign up now and start using at home or in the classroom.
Read more
Unlock language with the Paul Noble method
No books. No rote memorization. No chance of failure. Your chance to have a one-to-one lesson with best-selling language expert Paul Noble, try a FREE audio sample of his brand new Mandarin Chinese course.
Read more
13th edition of the Collins Dictionary out now!
Updated with all the very latest new words and senses, this new 13th edition is an unparalleled resource for word lovers, word gamers, and word geeks everywhere.
#homeoflivingenglish
Read more
Word lists
We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots!
Amaze your friends with your new-found knowledge!
Read more
Meme Ban, Heart Age & Collagin: September’s Words in the News
Catch up on the latest words in the news this September with Robert Groves.
Read more
Join the Collins community
All the latest wordy news, linguistic insights, offers and competitions every month.
Read more