Open To The Public, Releasing
noun, の adjective, verbal noun
When something is public open it is open to the public. You can go look at things that are 公開. You can also use this when you're releasing something to the public, which means you’re making it publicly accessible.
こうかい
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.
新しいドラマの公開は今年の三月です。
The new drama will be released in March of this year.
この作品が公開してから、間もなく二十年です。
It's been twenty years since this work was released.
有名人のプライベートの電話番号が公開されてしまった。
The celebrity's private phone number has been released.