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单词 luminant
释义

luminous /lūˈ or looˈmi-nəs/

adjective
  1. Giving light
  2. Shining
  3. Lighted
  4. Clear
  5. Lucid
  6. (of colours) very bright and garish
ORIGIN: L lūmen, -inis light, from lūcēre to shine

luˈminance noun

  1. Luminousness
  2. The measure of brightness of a surface, measured in candela cm2 of the surface radiating normally
  3. The brightness of a television screen or visual display unit, adjustable to suit the operator

luˈminant adjective

Giving light

noun

A means of lighting

luˈminarism noun

luˈminarist noun

  1. A person who paints luminously, or with skill in the creation of light and shade
  2. An Impressionist or plein-airist (qv)

luˈminary noun

  1. A source of light, esp one of the heavenly bodies
  2. Someone who illustrates any subject or instructs mankind
  3. A famous or prominent member of a group
adjective (rare)

Providing light or enlightenment

lumināˈtion noun

A lighting up

luˈmine /-in/ transitive verb (obsolete)

To illumine

luminesceˈ intransitive verb

To show luminescence

luminescence /-esˈəns/ noun

  1. Emission of light otherwise than by incandescence and so at a relatively cool temperature
  2. The light so emitted

luminescˈent adjective

luminifˈerous adjective

Giving, yielding, or being the medium of, light

luˈminist noun

A luminarist

luminosity /-osˈi-ti/ noun

  1. Luminousness
  2. The measure of the quantity of light actually emitted by a star, irrespective of its distance

luˈminously adverb

luˈminousness noun

luminance signal noun

A signal controlling the luminance of a colour TV picture, ie its image brightness, as distinct from its chrominance

luminous energy noun

Energy emitted in the form of light

luminous flux noun

A measure of the rate of flow of luminous energy

luminous intensity noun

A measure of the amount of light radiated in a given direction from a point source

luminous paint noun

A paint that glows in the dark, those that glow continuously having radioactive additives

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更新时间:2024/12/23 10:29:43