Associations to the word «Vacuum»


VACUUM, noun. A region of space that contains no matter.
VACUUM, noun. A vacuum cleaner.
VACUUM, noun. The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
VACUUM, verb. (transitive) To clean (something) with a vacuum cleaner.
VACUUM, verb. (intransitive) To use a vacuum cleaner.
VACUÜM, noun. (rare) (chiefly Netherlands) Alternative spelling of vacuum
VACUUM ASPIRATION, noun. (medicine) A method of inducing abortion, during the first trimester of pregnancy, in which the embryo and placenta are drawn off through a narrow tube
VACUUM ASPIRATIONS, noun. Plural of vacuum aspiration
VACUUM BAG, noun. A bag used in vacuum cleaners to collect the dirt.
VACUUM BAGS, noun. Plural of vacuum bag
VACUUM CATASTROPHE, proper noun. (cosmology) The disagreement of over 100 orders of magnitude between measured values of the vacuum energy density and the theoretical zero-point energy suggested by a naïve application of quantum field theory.
VACUUM CLEANER, noun. A domestic or industrial mobile machine for cleaning floors and similar surfaces that draws dust and other particles into a container (a cyclonic type bin, or a filter bag) by the suction created by an electric motor driving a fan.
VACUUM CLEANERS, noun. Plural of vacuum cleaner
VACUUM DECAY, noun. A hypothetical process whereby spacetime undergoes a phase transition (decays) into a lower-energy state.
VACUUM DESICCATOR, noun. A desiccator fitted with a stopcock whereby it can be evacuated
VACUUM DESICCATORS, noun. Plural of vacuum desiccator
VACUUM DISTILLATION, noun. (chemistry) Distillation under reduced pressure, and thus at a reduced temperature with less risk of thermal degradation
VACUUM ENERGY, noun. (physics) The underlying background energy of empty space.
VACUUM FLASK, noun. Synonym of thermos.
VACUUM FLASK, noun. (chemistry) A Dewar vessel is the scientific version, and is most often used to store liquified gases.
VACUUM FLASK, noun. (chemistry) A type of glass flask used in a laboratory similar to an Erlenmeyer flask, but with a side spout used for connection to an aspirator. Also known as a Büchner flask.
VACUUM FLASKS, noun. Plural of vacuum flask
VACUUM FLUORESCENT DISPLAY, noun. A display device, based on a cathode and anode held in a high vacuum condition, that emits a bright light with high contrast and can display various colours.
VACUUM GAUGE, noun. (physics) An instrument that is used to measure very low pressures of gases
VACUUM GAUGES, noun. Plural of vacuum gauge
VACUUM PUMP, noun. A piece of equipment used for extraction of gas or vapour from an enclosed space, leaving the container with a partial vacuum.
VACUUM PUMPS, noun. Plural of vacuum pump
VACUUM TUBE, noun. (electronics) An electrical device containing a heated filament inside an evacuated container (generally a glass tube) and used to produce rectification (a diode vacuum tube), amplification or other functions.
VACUUM TUBES, noun. Plural of vacuum tube
VACUUM VALVE, noun. A non-return valve allowing atmospheric air into a boiler, if a cold boiler reduces its internal pressure on cooling down.
VACUUM VALVES, noun. Plural of vacuum valve

Dictionary definition

VACUUM, noun. The absence of matter.
VACUUM, noun. An empty area or space; "the huge desert voids"; "the emptiness of outer space"; "without their support he'll be ruling in a vacuum".
VACUUM, noun. A region that is devoid of matter.
VACUUM, noun. An electrical home appliance that cleans by suction.
VACUUM, verb. Clean with a vacuum cleaner; "vacuum the carpets".

Wise words

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.
Mark Twain