a battery has run down
1run down — UK US run down Phrasal Verb with run({{}}/rʌn/ verb (running, ran, run) ► to gradually end an organization s, industry s, etc. operations: be run down »The country s nuclear industry is being run down. run sth down »The president had promised to… …
2run down — {v.} (stress on down ) 1. To crash against and knock down or sink. * /Jack rode his bicycle too fast and almost ran down his little brother./ * /It was so foggy that the steamship almost ran down a small boat leaving port./ Compare: RUN INTO(3a) …
3run down — {v.} (stress on down ) 1. To crash against and knock down or sink. * /Jack rode his bicycle too fast and almost ran down his little brother./ * /It was so foggy that the steamship almost ran down a small boat leaving port./ Compare: RUN INTO(3a) …
4run down — phrasal verb Word forms run down : present tense I/you/we/they run down he/she/it runs down present participle running down past tense ran down past participle run down 1) [transitive] to hit someone with your car and injure or kill them be/get… …
5Battery (electricity) — For other uses, see Battery (disambiguation). Various cells and batteries (top left to bottom right): two AA, one D, one handheld ham radio battery, two 9 volt (PP3), two AAA, one C, one …
6run — run1 W1S1 [rʌn] v past tense ran [ræn] past participle run present participle running ▬▬▬▬▬▬▬ 1¦(move quickly using your legs)¦ 2¦(race)¦ 3¦(organize/be in charge of )¦ 4¦(do something/go somewhere quickly)¦ 5¦(buses/trains etc)¦ …
7run — run1 [ rʌn ] (past tense ran [ ræn ] ; past participle run) verb *** ▸ 1 move quickly with legs ▸ 2 control/organize ▸ 3 machine: work ▸ 4 liquid: flow ▸ 5 try to be elected ▸ 6 vehicle: travel ▸ 7 be shown/performed ▸ 8 reach amount/rate ▸ 9… …
8run — 1 /rVn/ verb past tense ran past participle run present participle running MOVE QUICKLY ON FOOT 1 (I) to move quickly on foot by moving your legs more quickly than when you are walking: I had to run to catch the bus. | Two youths were killed when …
9run */*/*/ — I UK [rʌn] / US verb Word forms run : present tense I/you/we/they run he/she/it runs present participle running past tense ran UK [ræn] / US past participle run 1) [intransitive] to move quickly to a place using your legs and feet You ll have to… …
10History of the battery — could only function in a certain orientation. Many used glass jars to hold their components, which made them fragile. These practical flaws made them unsuitable for portable appliances. Near the end of the 19th century, the invention of dry cell… …