variants: or helio-

Definition of heli-

 (Entry 1 of 2)

: sun heliocentric

Definition of heli- (Entry 2 of 2)

: helicopter heliport

History and Etymology for heli-

Combining form (1)

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

Combining form (2)

by shortening

Keep scrolling for more

Comments on heli-

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

standardized text or formulaic language

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Bee Cubed

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

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!