aer-

combining form
variants: or aero-
Updated on: 15 Nov 2017

Definition of aer-

1 a : air : atmosphere
  • aerate
  • aerobiology
b : air and
  • aerospace
2 : gas
  • aerosol
3 : aviation
  • aerodrome

Origin and Etymology of aer-

borrowed from Greek āero-, from āer-, āḗr 1air + -o- -o-


AER- Defined for Kids

aer-

prefix
variants: or aero-

Definition of aer- for Students

: air : atmosphere : gas
  • aerate
  • aerosol
  • aerospace

Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

an inference not connected logically

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!