Vacuum frame
noun
1.
(printing) a machine from which the air is extracted in order to obtain close contact between the surfaces of two materials, e.g. the film and plate during platemaking
Read Also:
- Vacuum-gauge
noun 1. a device for measuring pressures below atmospheric pressure in the receiver of an air pump, in steam condensers, and the like. vacuum gauge noun 1. any of a number of instruments for measuring pressures below atmospheric pressure
- Vacuuming
noun, plural vacuums for 1, 2, 4–6, vacua [vak-yoo-uh] /ˈvæk yu ə/ (Show IPA), for 1, 2, 4, 6. 1. a space entirely devoid of matter. 2. an enclosed space from which matter, especially air, has been partially removed so that the matter or gas remaining in the space exerts less pressure than the atmosphere […]
- Vacuumize
verb (used with object), vacuumized, vacuumizing. 1. to create a vacuum in. 2. vacuum (def 11). 3. vacuum-pack.
- Vacuumized
verb (used with object), vacuumized, vacuumizing. 1. to create a vacuum in. 2. vacuum (def 11). 3. vacuum-pack.
- Vacuumizing
verb (used with object), vacuumized, vacuumizing. 1. to create a vacuum in. 2. vacuum (def 11). 3. vacuum-pack.