Photo Gallery: A gallery where photographs of passengers taken by the ship's onboard photographers are displayed. Photographs are available for purchase, reprinting, enlarging, or custom framing (or burning…but only after you pay for them!)

 

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Photo Gallery: A gallery where photographs of passengers taken by the ship's onboard photographers are displayed. Photographs are available for purchase, reprinting, enlarging, or custom framing (or burnin . . . View Full Definition

Photolithography: Lithographic printing process using an image formed by photographic means.

Photolinen: Laminate of linen and paper coated with black and white photographic emulsion. It is used for photographic wall coverings.

Photometer: Any of a number of atmospheric phenomena which appear as luminous patterns in the sky. They do not directly cause adverse weather. They include halos, coronas. rainbows, and fogbows.

Photomicrography: System of producing larger than life photographs by attaching a camera to a microscope.

Photoperiodism: The ability of certain plants to sense the relative amounts of light and dark in a 24-hour period; controls the onset of fiowering in many plants.

Photon: A discrete packet of energy associated with electromagnetic radiation. Each photon carries energy E proportional to the frequency nu of the radiation: E = hnu, where h is Planck's constant.

Photolamp: Tungsten filament photographic lamp with a large diffused bulb, giving light of 3200 k (kelvin).

Photogravure: Method of printing photographs from an etched copper plate.

Photoflood: Artificial light source using a tungsten filament lamp and a dish reflector.