aerosol
/ˈeərəʊsɒl/noun
1- a substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas（尤指通过压缩气体方式释放出的）气雾剂。
1.1
- a container holding such a substance喷雾器。
1.2
- Chemistry a colloidal suspension of particles dispersed in air or gas【化】气溶胶。
词源
1920s: from AERO-+SOL2.