English Reference
noun

public domain

n.

  1. 01 B2 Upper Intermediate Technical Law

    the state of creative works that are no longer protected by copyright, so anyone can use them for free.

    the status of creative works whose intellectual property rights have expired, been forfeited, or are inapplicable.

    Simple

    Since the book is now in the public domain, you can download it for free.

    In context

    The studio confirmed that the original character design had entered the public domain, allowing independent creators to use it without licensing fees.

    Usage

    Usually follows the preposition 'in'.

    unprotectedfree to use
  2. 02 B2 Upper Intermediate

    information or facts that are known by the general public and are not a secret.

    the state of being known by the general public; information that is no longer confidential or private.

    Simple

    Details of the company's financial problems are now in the public domain.

    In context

    Once the sensitive documents were leaked to the press, the details of the merger were firmly in the public domain.

    Usage

    Usually follows the preposition 'in'.

    common knowledgeopen
  3. 03 C1 Advanced American EnglishTechnical Law

    land that is owned by the government or the people rather than a private owner.

    land owned by the state or the public, particularly in the United States, which is not subject to private ownership.

    Simple

    The hikers spent the weekend exploring the vast public domain in the west.

    In context

    The federal government manages millions of acres of public domain, balancing the needs of conservation with those of local ranchers.

    state landcommon land
    private property

Derived from the French phrase domaine public, which appeared in legal treatises regarding the status of property. The English term is a calque formed from the Latin publicus, pertaining to the people, and dominium, signifying lordship or right of ownership.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Updated