Definition of lightproof in English:

lightproof

Line breaks: light|proof
Pronunciation: /ˈlʌɪtpruːf
 
/

adjective

  • Able to block out light completely: a lightproof envelope
    More example sentences
    • Accordingly, in the present invention, the size of the lightproof box is fixed in order to solve the problem.
    • Its high-density lightproof covering yields an essential improvement of the sound quality.
    • On my darkroom door I hung up a lightproof curtain on a wire about 20 cm above the door, so that it goes well beyond the dimensions of the door at the top and at the sides.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody