American Idol Runner-Up to Kris Allen, Adam

This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1567, Puzzle 4 (Smart Thermostat).

Question is: American Idol Runner-Up to Kris Allen, Adam

and the answer is: LAMBERT

Word Meaning:

LAMBERT — (physics, astronomy) a cgs unit of luminance; the brightness of a surface that emits one lumen per square centimetre

Definitions from Wiktionary.

American Idol runner-up to Kris Allen, Adam — CodyCross Answer | CodyCross Solutions