aer-

combining form

variants or aero-

1

a

: air : atmosphere

aerate

aerobiology

b

: air and

aerospace

2

: gas

aerosol

3

: aviation

aerodrome

Word History

Etymology

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

Kids Definition

aer-

combining form

variants or aero-

1

: air : atmosphere

aerate

aerobic

2

: gas

aerosol

3

: aviation

aeronautics

Etymology

from Greek aer-, aero- "air"