Aer‧o /ˈe
ərəʊ/ 
 trademark a type of chocolate bar sold in the UK, which contains lots of small 
bubbles  [TahlilGaran] Dictionary of Contemporary English ▲
 aero- /eərəʊ, eərə $ eroʊ, -rə/ 
 prefix[
Language: French; 
Origin: Latin, from Greek, from aer 'air']
 concerning the air or aircraft: 
 aerodynamics  (=the science of movement through air)
 aerodynamics  (=the science of movement through air) an aeroengine
 an aeroengine  [TahlilGaran] Dictionary of Contemporary English ▲