Definition of Blu-ray in English:

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Blu-ray

Pronunciation: /ˈblo͞oˌrā/

noun

A format of DVD designed for the storage of high-definition video and data.
Example sentences
  • Despite its flawed story structure, The Tale of Despereaux looks flawless on Blu-ray.
  • To me, some DVDs look more like 35 mm than Blu-ray does.
  • Presented in 1.85:1 1080 p widescreen, High School Musical 3 is far from the most impressive Blu-ray on the Disney slate.

Origin

Early 21st century: from blu, a respelling of blue1 (from the color of the laser used to read and write this type of DVD), + ray1.

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