Pill or Medicine With No Effect, Used in Trials.
This page is the CodyCross answer for the clue below from Transport, Group 105, Puzzle 1.
Question is: Pill or Medicine With No Effect, Used in Trials.
and the answer is: PLACEBO
Word Meaning:
PLACEBO — (medicine) A dummy medicine containing no active ingredients; an inert treatment.
Definitions from Wiktionary.