light blockage

[/laɪt ˈblɑːkɪdʒ/]
nounpl: light blockages
bloqueio de luz
1. An obstruction that partially or completely prevents the passage of light through a space or medium
The heavy curtains caused a light blockage in the room.
As cortinas pesadas causaram um bloqueio de luz no quarto.
2. In medical contexts, an obstruction in a body part that interferes with light transmission, such as in the eye or optical nerve
The doctor detected a light blockage in the patient's cornea.
O médico detectou um bloqueio de luz na córnea do paciente.
3. In astronomy and physics, any obstruction preventing light from reaching a detector or observer
Solar panels experience reduced efficiency due to light blockage from clouds.
Os painéis solares experimentam eficiência reduzida devido ao bloqueio de luz das nuvens.
The term 'light blockage' is used in both technical and medical contexts across English and Portuguese-speaking regions. In Brazil, 'bloqueio de luz' is the standard medical term when discussing eye conditions, while in construction and architecture, terms like 'obstrução' may be preferred. In Portugal, the terminology aligns closely with Brazilian usage.
Synonyms / Sinônimos
light obstructionlight obstructionlight interruptionshadow obstruction
Antonyms / Antônimos
light transmissionlight passageillumination

Regional Variations

General Brazilian
bloqueio de luz
Most common term used in medical, technical, and everyday contexts
São Paulo
obstrução de luz
Alternative term, more formal and technical usage
Rio de Janeiro
bloqueio de luz
Standard usage, same as general Brazilian
Portugal
bloqueio de luz
Same as Brazilian Portuguese, though sometimes 'obstáculo de luz' is used

Related Words

blockadeobstructionocclusionopacityshadow

Related Idioms & Phrases

cast a shadow (metaphorical equivalent)
let there be light (opposite concept)
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