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  2. Opposite - Wikipedia

    en.wikipedia.org/wiki/Opposite

    The term antonym (and the related antonymy) is commonly taken to be synonymous with opposite, but antonym also has other more restricted meanings. Graded (or gradable) antonyms are word pairs whose meanings are opposite and which lie on a continuous spectrum (hot, cold).

  3. Hyperspace - Wikipedia

    en.wikipedia.org/wiki/Hyperspace

    In science fiction, hyperspace (also known as nulspace, subspace, overspace, jumpspace and similar terms) is a concept relating to higher dimensions as well as parallel universes and a faster-than-light (FTL) method of interstellar travel.

  4. Light - Wikipedia

    en.wikipedia.org/wiki/Light

    Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. [1] Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 terahertz .

  5. List of phobias - Wikipedia

    en.wikipedia.org/wiki/List_of_phobias

    The English suffixes -phobia, -phobic, -phobe (from Greek φόβος phobos, "fear") occur in technical usage in psychiatry to construct words that describe irrational, abnormal, unwarranted, persistent, or disabling fear as a mental disorder (e.g. agoraphobia), in chemistry to describe chemical aversions (e.g. hydrophobic), in biology to describe organisms that dislike certain conditions (e.g ...

  6. List of Latin phrases (E) - Wikipedia

    en.wikipedia.org/wiki/List_of_Latin_phrases_(E)

    let the light shine out from all: The motto of Sidwell Friends School: emeritus: veteran: Retired from office. Often used to denote an office held at the time of one's retirement, as an honorary title, e. g. professor emeritus and provost emeritus. Inclusion in one's title does not necessarily denote that the honorand is inactive in the ...

  7. Light (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Light_(disambiguation)

    Light, a journal of light verse; Light, a 2002 science fiction novel by M. John Harrison "Light", an episode of Legend of the Seeker, an American television series "Light", an episode of the Adult Swim television series Off the Air; Light, a 2019 play based on the lives of William Light and his father

  8. List of light sources - Wikipedia

    en.wikipedia.org/wiki/List_of_light_sources

    This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...

  9. Optics - Wikipedia

    en.wikipedia.org/wiki/Optics

    The light then continues through the fluid just behind the cornea—the anterior chamber, then passes through the pupil. The light then passes through the lens, which focuses the light further and allows adjustment of focus. The light then passes through the main body of fluid in the eye—the vitreous humour, and reaches the