n.

the absence of matter

同義詞：vacuity

an empty area or space

"without their support he'll be ruling in a vacuum"

同義詞：voidvacancyemptiness

a region that is devoid of matter

同義詞：vacuity

an electrical home appliance that cleans by suction

同義詞：vacuum cleaner

A foundation for vacuuming temporal databases
Steam Vacuuming as a Pre-Evisceration Intervention To Decontaminate Beef Carcasses
Effects of vacuuming on dye penetration patterns in root canals and glass tubes.
Study of the effects of vacuuming on the concentration of dust mite antigen and endotoxin
Reducing dust, lead, dust mites, bacteria, and fungi in carpets by vacuuming
Evaluation of Trapping and Vacuuming Compared with Low-Impact Insecticide Tactics for Managing German Cockroaches in Residences
Effects of Steam-Vacuuming and Hot Water Spray Wash on the Microflora of Refrigerated Beef Carcass Surface Tissue Inoculated with Es...
Decontamination of beef carcass surface tissue by steam vacuuming alone and combined with hot water and lactic acid sprays
Polybrominated diphenyl ethers (PBDEs) in U.S. computers and domestic carpet vacuuming: possible sources of human exposure.
TUBE PUMP FOR FLUID EJECTING APPARATUS, FLUID EJECTING APPARATUS, AND METHOD FOR ADJUSTING FLUID-VACUUMING CAPABILITY OF PUMP