epigraph - Wiktionary, the free dictionary (original) (raw)

From Wiktionary, the free dictionary

The green set is the epigraph of the blue function

From Ancient Greek ἐπιγραφή (epigraphḗ, “inscription”), from ἐπιγράφω (epigráphō, “write upon”), from ἐπῐ- (epĭ-, “on, upon, over, etc.”) +‎ γρᾰ́φω (grắphō, “to draw, paint, write, etc.”).

epigraph (plural epigraphs)

  1. An inscription, especially on a building.
  2. A literary quotation placed at the beginning of a book or other text.
  3. (mathematics, of a function) The set of all points lying on or above the function's graph.

inscription

literary quotation placed at the beginning of a text

set of all points lying on or above a mathematical function's graph

epigraph (third-person singular simple present epigraphs, present participle epigraphing, simple past and past participle epigraphed)

  1. (transitive) To provide (a literary work) with an epigraph.