aer-

American  

1. variant of aero- before a vowel.

   aerate.

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aer- British  

combining form

1. a variant of aero-

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Usage

What does aer- mean? Aer- is a combining form used like a prefix meaning “air.” It is often used in scientific terms, especially in biology.Aer- comes from Greek āḗr, meaning “air.”What are variants of aer-?Aer- is a variant of aero-, which loses its -o- when combined with words or word elements beginning with vowels. 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-.