checkpoint

From check +‎ point.

• (General American) IPA^(key): /ˈt͡ʃɛkˌpɔɪnt/

• Audio (US):

  (file)

checkpoint (plural checkpoints)

1. A point or place where a check is performed, especially a point along a road or on a frontier where travellers are stopped for inspection

   The travellers were stopped at the checkpoint.

   • 2014, Paul Salopek, Blessed. Cursed. Claimed., National Geographic (December 2014)[1]

     A few days later I ford the Jordan River on a bus: Foot travel across Allenby Bridge checkpoint is strictly prohibited.

2. (computing) A situation, often represented by a point in time, at which the state of a database system is known to be valid, and to which it can be returned in the event of a crisis by using a combination of backups and logs; the data stored at this event.

   After the crash, we rolled back the database to the last checkpoint.

3. (video games) A predetermined point in a map, level or scenario that the player may resume from if they die or restart.

   Synonym: savepoint

   You can't finish the race if you haven't passed all of the checkpoints on the track.

   • 2010 March 8, 20:40, in Chuck Versus the Beard (Chuck), season 3, episode 9, spoken by Chuck Bartowski (Zachary Levi):

     This is not a videogame, this is real life! People get hurt! There is no restart from last checkpoint.

4. (biology) A biological control mechanism ensuring correct progression through the cell cycle.

• checkpoint protein
• immunocheckpoint

checkpoint (third-person singular simple present checkpoints, present participle checkpointing, simple past and past participle checkpointed)

1. To set a checkpoint.

checkpoint c

1. A checkpoint