The application of reduced pressure to extract something, particularly to assist childbirth or as a method of abortion, or as a technique for removing components of a chemical mixture.
（胎儿的）真空引产；（混合物成分的）真空萃取
Example sentencesExamples
Assisted vaginal delivery comprised both forceps deliveries and vacuum extraction.
Forceps delivery became less common, but vacuum extraction consistently increased in number.
While vacuum extraction has risks, it remains a safe alternative to using forceps.
These early measurements of arterial oxygen saturation were made by vacuum extraction of the blood gases.
Ten of the vaginal deliveries were by forceps and 19 by vacuum extraction.
Definition of vacuum extraction in US English:
vacuum extraction
noun
The application of reduced pressure to extract something, particularly to assist childbirth or as a method of abortion, or as a technique for removing components of a chemical mixture.
（胎儿的）真空引产；（混合物成分的）真空萃取
Example sentencesExamples
Forceps delivery became less common, but vacuum extraction consistently increased in number.
Ten of the vaginal deliveries were by forceps and 19 by vacuum extraction.
These early measurements of arterial oxygen saturation were made by vacuum extraction of the blood gases.
Assisted vaginal delivery comprised both forceps deliveries and vacuum extraction.
While vacuum extraction has risks, it remains a safe alternative to using forceps.