a battery

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Word: Battery

Part of Speech: Noun

Basic Definition: A battery is a device that stores energy and provides power to electronic devices. It can also refer to a group of similar items used together, like a set of batteries.

Usage Instructions: You can use "battery" when talking about electronics, for example, when discussing how long a device can run before it needs to be recharged or when replacing batteries in gadgets.

Example Sentence: "My phone's battery is almost dead, so I need to charge it."

Advanced Usage:

In a more technical context, especially in electronics, a battery can refer to a specific type of energy source used in devices like vacuum tubes, where it heats the filaments to allow electrical conduction.

Word Variants:

1. Batteries (plural): Refers to more than one battery.
   • Example: "I bought new batteries for my remote control."
2. Battery-powered (adjective): Describes devices that operate using batteries.
   • Example: "I prefer battery-powered tools because they are portable."

Different Meanings:

1. Military Context: A battery can also refer to a group of artillery guns or missile launchers.

   • Example: "The army set up a battery of cannons for the defense."

2. Legal Context: In law, "battery" refers to the act of physical violence against someone.

   • Example: "The charge of battery was brought against the defendant."

Synonyms:

1. Accumulator: A term often used for rechargeable batteries.
2. Cell: A single unit within a battery that produces electricity.

Idioms and Phrasal Verbs:

• While "battery" does not have specific idioms or phrasal verbs commonly associated with it, you might encounter phrases like "running on empty" when referring to a battery that is completely drained.

Academic

Noun

1. the battery used to heat the filaments of a vacuum tube

Synonyms

• a battery