Okay, we're going to cheat a little bit to remember the meaning of this word. Let's say you take the temperature of the street. It is exactly one hundred degrees. That's exactly what it is. Just 100 degrees, not one degree more or less. You put your eggs on the street and watch them cook.

This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.