Pressure
Stress
noun
The pressure power is the pressure. This can also be stress as well.
あつりょく
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.
圧力なべをばく発させてしまいましたが、幸いケガはありませんでした。
I made the pressure cooker explode, but luckily I didn't get injured.
ロケットが大気にとつ入するときの圧力は相当なものだ。
The pressure that a rocket is under when it's entering the atmosphere is very strong.
ワニカニがベータ版から脱するよう、我々はコウイチに圧力をかけ続けなくてはいけない。
We must keep the pressure on Koichi to get WaniKani out of beta.