illuminated zone
1Zone plate — A zone plate is a device used to focus light. Unlike lenses however, zone plates use diffraction instead of refraction. Created by Augustin Jean Fresnel [freɪ nel] , they are sometimes called Fresnel zone plates in his honor. The zone plate s… …
2Pelagic zone — Aquatic layers Pelagic    Photic       Epipelagic …
3Intermediate zone — The Intermediate zone, a term found in Sri Aurobindo s philosophy, refers to what is described as a spiritually dangerous and misleading transitional spiritual and pseudospiritual region between the ordinary consciousness of the outer being and… …
4The Twilight Zone (disambiguation) — The Twilight Zone may refer to:* The Twilight Zone , the anthology television series and franchise * The Twilight Zone (1959 TV series), the original classic television series * , a 1983 film based on the original series * The New Twilight Zone …
5Twilight zone — may refer to:* The Twilight Zone , the anthology television series and franchise * The Twilight Zone (1959 TV series) 1964, the original classic television series * , a 1983 film based on the original series * The New Twilight Zone , a 1985–1989… …
6photic zone — Biol. the upper layer of a body of water delineated by the depth to which enough sunlight can penetrate to permit photosynthesis. [1970 75] * * * ▪ oceanography surface layer of the ocean that receives sunlight. The uppermost 80 m (260… …
7Defence of the Reich — Part of Campaigns of World War II …
8Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… …
9literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
10optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
