a(ə)ˈränəmē, e(ə)ˈ-, ˌāəˈ- noun
( -es -s -s )
Etymology: aer- + -nomy
: a science that deals with the physics and chemistry of the upper atmosphere of planets
• aer·on·o·mer -mə(r) noun
• aer·o·nom·ic ˌa(ə)rəˈnämik, ˌe(ə)r-, ˌāər- also aer·o·nom·i·cal -mə̇kəl adjective
• aer·on·o·mist a(ə)ˈränəmə̇st, e(ə)ˈ-, ˌāəˈ- noun