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🇵🇹Portuguese Source WordCode: PT

luminosidade

Pronunciation / Transliteration: lu-mi-no-zi-da-de

🇬🇧 Direct English Meaning:
Luminosity/ˌluː.mɪˈnɒs.ə.ti/
nounCEFR C1 (Advanced)Top #8500 frequency
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🇵🇹 Example Sentence in Portuguese:

"A luminosidade da luz é essencial para a fotografia."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The intrinsic brightness of a celestial object, such as a star, measured in terms of the amount of energy it emits per unit of time.

    "The luminosity of the sun is about 3.828 x 10^26 watts."
  2. 2

    The quality of being luminous; brightness or radiance.

    "The luminosity of the painting was enhanced by the use of vibrant colors."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin word 'luminosus' (full of light), stemming from 'lumen' (light). It entered the English language in the late 16th century via Middle French, evolving to describe both the physical quality of emitting light and, later in astrophysics, the total amount of energy emitted by a star or other celestial body per unit of time.

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