Bookmobile and Circulating library

Bookmobile noun - A van with shelves of books; serves as a mobile library or bookstore.

Circulating library and bookmobile are semantically related in public library topic. In some cases you can use "Circulating library" instead a noun "Bookmobile", when it comes to topics like free library.

Circulating library noun - Library that provides books for use outside the building.

Bookmobile and circulating library are semantically related in public library topic. You can use "Bookmobile" instead a noun phrase "Circulating library", if it concerns topics such as free library.