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| suction |
the force that draws an object or fluid into a partial or complete vacuum. [1/4 definitions] |
| suction pump |
a pump that draws up liquid by means of the vacuum created by the motion of a piston. |
| thermionic tube |
a vacuum tube in which an electrically heated cathode causes the emission of electrons or ions. |
| Thermos |
trademark for a container using an inside vacuum holder to keep beverages or foods at their original temperature. [1/2 definitions] |
| transistor |
a compact electronic device that uses semiconductors to regulate current flow and thus requires much less energy for operation than a vacuum tube. [1/2 definitions] |
| triode |
a vacuum tube that contains an anode, cathode, and control grid. |
| ultravacuum |
combined form of vacuum. |
| vacuity |
a place containing no matter; void; vacuum. [1/4 definitions] |
| vacuum |
a machine for cleaning by means of suction; vacuum cleaner. [2/5 definitions] |
| vacuum bottle |
a bottle or flask with a vacuum between its double walls which helps to sustain the original temperature of the contents; thermos. |
| vacuum cleaner |
an electrical appliance that cleans floors, carpets, and the like by suction; vacuum sweeper. |
| vacuum tube |
an electron tube, formerly used in radio and electronics, from which the air has been evacuated, enabling electrons to move freely within the vacuum. |
| void |
an empty space or vacuum; nothingness. [1/11 definitions] |
| vortex |
a whirling mass of fluid, air, or the like, such as a whirlpool, that generates a vacuum in the center toward which things are drawn. [1/2 definitions] |
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