The Inverse of an Exponent; Shortform: Tree Trunk
This page is the CodyCross answer for the clue below from TV Station, Group 602, Puzzle 5 (Cinematographer).
Question is: The Inverse of an Exponent; Shortform: Tree Trunk
and the answer is: LOGARITHM
Word Meaning:
LOGARITHM — (mathematics) For a number x, the exponent by which a given base number must be raised in order to obtain the power x. Written log _bx. For example, log ₁₀1000=3 because 10³=1000 and log ₂16=4 because 2⁴=16.
Definitions from Wiktionary.