propellant

Definitions

propel (push forward) + -ant (a substance that does it) = the stuff that does the propelling. Burning rocket propellant pushes a rocket up; the gas in an aerosol can is the propellant that pushes the spray out.

Common Collocations

• 1.solid propellant固体推进剂
• 2.liquid propellant液体推进剂
• 3.rocket propellant火箭推进剂
• 4.aerosol propellant气雾推进剂

Example Sentences

• 1.

  The rocket uses a liquid propellant for greater control.

• 2.

  Modern sprays use a propellant that doesn't harm the ozone layer.