CEFR B2

screw expeller

noun phrase

Meaning

A screw expeller is a type of machine used in the oil extraction industry to extract oil from seeds, nuts, or other oil-rich materials. It works by using a screw-like mechanism to crush and press the material, causing the oil to be released and separated from the solid residue.

Examples

  • The screw expeller is widely used in the production of vegetable oils, such as soybean oil and canola oil.
  • The company invested in a new screw expeller to increase their oil production capacity.