It means the fruit(for example) became ripe.(It ripened)
It means you can pick and eat them.
Ripen used as an intransitive verb means to grow or become ripe. When used as a transitive verb, it means to make ripe. It can also mean to bring to completeness or perfection. Ripen can mean to age or cure (cheese) to develop a characteristic flavor, odor, body, texture, and color. Ripen also means to improve flavor and tenderness of (beef or game) by aging under refrigeration.
almonds ripen at the end of summer.
The warmer it is , the faster they ripen
they will probably rot before they ripen
No, they need to ripen on the vine.
it uses energy from the sun to grow and ripen
I think you mean an apple will ripen bananas or green tomatoes. The apples as they ripen give off gas that aids and speeds up the ripening of other fruits, like placed in a brown bag with bananas or tomatoes and other fruits. Apples stored in the frige crisper drawer will make other fruits ripen quickly, thus go bad before you use them too.
Pears ripen pretty quickly, but if you put in a bag with a banana or an apple the gases from these fruits will make the pear ripen quicker.
The plantains had ripen quickly.
Kiwi are small, flightless birds native to New Zealand. They do not ripen. Kiwifruit, on the other hand, will continue to ripen after they are picked.
The gas that causes food to ripen is Methane - It's commonly used to ripen bananas on an industrial scale.