CORE
/kɔ:/
Học thuậtThân thiện
Definition
Noun:
- The central or most important part of something: The "core" is the fundamental, essential, or central part of an object, system, idea, or group.
- The central part of a celestial body: In geology and astronomy, "core" often refers to the dense, central region of a planet or star, such as the Earth's core.
- A cylindrical sample: A "core" can be a cylindrical section of material, like soil or rock, obtained by drilling.
- A small, essential group: A "core" is a central group of indispensable people or things within a larger organization or set.
Verb:
- To remove the central part: To "core" something means to remove its central, often inedible, part, such as the seeds and tough center from a fruit.
Usage Examples
Noun:
- The core of the argument was about economic policy. (The most essential part of the argument concerned economic policy.)
- The Earth has a solid inner core and a liquid outer core. (The central part of our planet consists of these layers.)
- Scientists analyzed a sediment core from the lake bed. (Scientists studied a cylindrical sample of sediment.)
- A core of dedicated volunteers runs the charity. (A small, essential group of volunteers manages it.)
Verb:
- Please core the apples before baking the pie. (Please remove the central seeds and tough part from the apples.)
Advanced Usage
"To the core": Completely, thoroughly (often describing a fundamental quality).
- He is a conservative to his core. (His fundamental beliefs are entirely conservative.)
- The organization was rotten to the core. (It was thoroughly corrupt.)
"Hard core" / "Hardcore": The most intensely committed, dedicated, or uncompromising part of a group; or something that is extremely explicit, intense, or difficult.
- The hard core of the party resisted any change. (The most uncompromising members opposed change.)
- She's into hardcore punk music. (She likes a very intense, aggressive style of punk music.)
Variants and Related Words
Core (adjective): Central, fundamental, most important.
- The company outlined its core values. (The company defined its fundamental principles.)
- English, math, and science are core subjects. (They are central, mandatory subjects.)
Core curriculum: The central, required courses in an educational program.
Core competency: A fundamental strength or capability of a person or organization.
Synonyms
- Noun: Heart, center, essence, nucleus, crux, gist, kernel, bedrock, foundation.
- Verb: Hollow out, remove the center.
Related Phrasal Verbs/Phrases
- Core out: To remove the inner part of something, creating a hollow space. (Similar to the verb "core").
- They cored out the log to make a canoe. (They removed the inner wood from the log.)
Related Idioms
The core of the matter: The most important or central part of an issue.
- Let's stop discussing details and get to the core of the matter. (Let's address the most essential point.)
At the core of: Being the central cause or most important element of something.
- Trust is at the core of any strong relationship. (Trust is the fundamental element.)
Noun
- a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
- the chamber of a nuclear reactor containing the fissile material where the reaction takes place
- (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories
- each core has three wires passing through it, providing the means to select and detect the contents of each bit
- the central meaning or theme of a speech or literary work
- an organization founded by James Leonard Farmer in 1942 to work for racial equality
- a cylindrical sample of soil or rock obtained with a hollow drill
- the choicest or most essential or most vital part of some idea or experience
- the gist of the prosecutor's argument
- the heart and soul of the Republican Party
- the nub of the story
- the central part of the Earth
- the center of an object
- the ball has a titanium core
- a small group of indispensable persons or things
- five periodicals make up the core of their publishing program
Verb
- remove the core or center from
- core an apple