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Definitions from the Web

Definition:

when (conjunction)

Senses:

1. (conjunction) A word used to introduce a clause indicating the time at which an event happened or will happen.
2. (conjunction) A word used to introduce a clause indicating the conditions or circumstances under which something occurred or will occur.
3. (noun) An indefinite point in time.
4. (noun) The time at which a specified event occurs.

Examples:

1. I was studying when the power outage occurred last night.

2. Please let me know when you plan to arrive.

3. When are we going to take the final exam?

4. He didn't know when the concert started.

Related Products:

• Books about "when"
• Watches with "when" theme
• Calendars for tracking "when"