battery
/'bætəri/
Học thuậtThân thiện
Definition
- Noun:
- A device that stores and provides electrical energy: A "battery" is a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.
- A group of similar things used together: A "battery" can refer to a set or series of similar devices, instruments, or tests functioning together.
- The illegal act of physically hitting or touching someone: In law, "battery" is the crime of physically attacking someone, involving unlawful physical contact.
- A fortified emplacement for heavy guns: In a military context, a "battery" is a tactical unit of artillery, missile launchers, or guns grouped together.
Examples of Usage
- As an electrical device:
- The remote control needs two AA batteries.
- She charged her phone's battery overnight.
- As a set or series:
- The chef has a full battery of copper pots.
- New employees face a battery of psychological tests.
- As a legal term:
- He was arrested and charged with assault and battery.
- As a military unit:
- The coastal battery fired on the approaching ships.
Advanced Usage
- "To recharge one's batteries": To rest and regain one's energy and enthusiasm.
- After a stressful year, I took a vacation to recharge my batteries.
- "A battery of something": A large number of similar things, especially tests or questions, coming one after another.
- The witness faced a battery of questions from the lawyers.
Variants and Related Words
- Batter (verb): To hit repeatedly and violently.
- The storm battered the coastline.
- Battery-powered (adjective): Operated by batteries.
- The children played with battery-powered toys.
Synonyms
- For the electrical device: Cell, accumulator, power pack.
- For a set/series: Array, bank, suite, group.
- For the legal act: Assault, beating, violence.
- For the military unit: Artillery unit, gun emplacement.
Related Phrasal Verbs/Compounds
(Note: "Battery" is primarily a noun and does not commonly form phrasal verbs. Common compounds are listed below.) - Battery life: The length of time a battery can power a device before needing a recharge. - Smartphone users are always concerned about battery life. - Battery charger: A device used to put energy into a rechargeable battery. - I forgot to pack my battery charger for the trip.
Related Idioms
- To turn someone's battery against himself/herself: To use someone's own arguments or strengths against them.
- In the debate, she skillfully turned her opponent's battery against himself.
Noun
- an assault in which the assailant makes physical contact
- the heavy fire of artillery to saturate an area rather than hit a specific target
- they laid down a barrage in front of the advancing troops
- the shelling went on for hours without pausing
- a series of stamps operated in one mortar for crushing ores
- a unit composed of the pitcher and catcher
- a collection of related things intended for use together
- took a battery of achievement tests
- a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
- group of guns or missile launchers operated together at one place