Extra Information Cited at the Bottom of a Page
This page is the CodyCross answer for the clue below from Physics, Group 1882, Puzzle 4 (Cosmologist).
Question is: Extra Information Cited at the Bottom of a Page
and the answer is: FOOTNOTE
Word Meaning:
FOOTNOTE — A short piece of text, often numbered, placed at the bottom of a printed page, that adds a comment, citation, reference etc, to a designated part of the main text.
Definitions from Wiktionary.