public domain

名词 n.
中文释义
英 /ˌpʌblɪk də(ʊ)ˈmeɪn/    美 /ˌpʌblɪk doʊˈmeɪn/

英文释义

名词 n.
  1. Often preceded by in the.; The state of not being owned by anyone, and thus freely usable by everyone. also,attributive,uncountable
  2. Often preceded by in the.; The state of not being owned by anyone, and thus freely usable by everyone.; The realm of intellectual property which is not or no longer protected by copyrights or patents, and thus over which no person can establish a proprietary interest. also,attributive,specifically,uncountable
    — As the copyright in this book has lapsed, it is now in the public domain.
  3. Often preceded by in the.; The state of not or no longer being confidential or secret. also,attributive,uncountable
    — Very little information about the treaty is in the public domain.
  4. Land regarded as owned by the public, and not subject to a land patent or other forms of private ownership (for example, unowned prairie in the southwestern and western United States). US,especially,uncountable

词源

From public (“able to be seen or known by everyone”) + domain (“field or sphere of activity, expertise, or influence”).
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