Definitions:

1. ibidem: in the same book, chapter, page, etc. ADVERB
   • Ib is commonly used in the production of pharmaceuticals.
2. In the same source (used to save space in textual references to a quoted work which has been mentioned in a previous reference). ADVERB
   • The laboratory technician used ib to conduct the experiment.

Synonyms:

• ibid.
• ibidem.