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aero

1 American  
[air-oh] / ˈɛər oʊ /

adjective

  1. of or for aircraft.

  2. of or relating to aeronautics.


aero- 2 American  
  1. a combining form meaning “air,” used in formation of compound words.

    aerodrome.


aero. 3 American  

abbreviation

  1. aeronautic; aeronautical.

  2. aeronautics.

  3. aerospace.


aero- 1 British  

combining form

  1. denoting air, atmosphere, or gas

    aerodynamics

  2. denoting aircraft

    aeronautics

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

aero 2 British  
/ ˈɛərəʊ /

noun

  1. (modifier) of or relating to aircraft or aeronautics

    an aero engine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

aero 3 British  

abbreviation

  1. an organization in the air-transport industry

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does aero- mean? Aero- is a combining form used like a prefix meaning “air.” It is often used in scientific terms, especially in biology. Aero- comes from Greek āḗr, meaning “air.”What are variants of aero-?When combined with words or word elements that begin with a vowel, aero- becomes aer-, as in aerate. When combined with word elements of Latin origin, aero- becomes aeri-, as in aeriferous. Want to know more? Read our Words That Use articles for aer- and aeri-.

Etymology

Origin of aero1

1895–1900; aero- used as free form

Origin of aero-2

< Greek, equivalent to āer- (stem of āḗr air 1 ) + -o- -o-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We see further aero outperformance on strong relative earnings per share growth that more than offsets potential valuation downside,” he wrote.

From Barron's • Apr. 1, 2026

According to JPMorgan, the “golden age” is under way for one subset: aero engines.

From MarketWatch • Feb. 13, 2026

These keep faith with Ferrari’s longstanding tradition that spoilers and other aero appliances must be integrated into the bodywork.

From The Wall Street Journal • Oct. 23, 2025

Look at that aero rake on Yuki Tsunoda's RB!

From BBC • Feb. 21, 2024

Other Komsomol cells sponsor aero clubs for those interested in air force service and rowing, sailing, and diving clubs for those interested in the navy.

From Area Handbook for Bulgaria by Baluyut, Violeta D.