Part of Speech: Implicit Comparison

This page is the CodyCross answer for the clue below from Science Lab, Group 309, Puzzle 2 (Weighing Paper).

Question is: Part of Speech: Implicit Comparison

and the answer is: METAPHOR

Word Meaning:

METAPHOR — (uncountable, rhetoric) The use of a word, phrase, concept, or set of concepts to refer to something other than its literal meaning, invoking an implicit similarity between the thing described and what is denoted by the word, etc., that is used.

Definitions from Wiktionary.