Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

heli-

combining form

Definition of heli-

  1. :  sun <heliocentric>



Variants of heli-

or helio-

Origin of heli-

Latin, from Greek hēli-, hēlio-, from hēlios — more at solar


2

heli-

combining form

Definition of heli-

  1. :  helicopter <heliport>



Origin of heli-

by shortening


Learn More about heli-

  1. Medical Dictionary: Definition of "heli-"


Seen and Heard

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

WORD OF THE DAY

a smart aleck

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry maudlin oily prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ