__ Form; Method of Writing Down Large Numbers
This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1596, Puzzle 4 (Hydra and Medusa).
Question is: __ Form; Method of Writing Down Large Numbers
and the answer is: STANDARD
Word Meaning:
STANDARD — Falling within an accepted range of size, amount, power, quality, etc.
Definitions from Wiktionary.