| Answer | Crossword Clue |
|---|---|
| trionym | a trinomial name or expression |
| trionyms | TRIONYM, a trinomial name or expression |
| trinomial | of three terms joined by + or - / a trinomial expression |
| placeholder | a symbol in a mathematical or logical expression that may be replaced by the name of any element of a set |
| placeholders | PLACEHOLDER, a symbol in a mathematical or logical expression that may be replaced by the name of any element of a set |
| metonyms | A word, name, or expression used as a substitute for something else with which it is closely associated. For example, Washington is a metonym for the federal government of the U.S |
