Exactly
Just
adverb, noun, な adjective
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.
丁度できる
just able to do, just able to finish
丁度いい
just right
丁度ぴったり
just the right size
丁度おふろから出たところです。
I just got out of the bath.
丁度いいゆかげんです。
The bath temperature is just right.
まあ、偶然！今丁度あなたに電話をしようと思っていたところよ！
What a coincidence! I was just about to call you!