plural
cores
plural
cores
Britannica Dictionary definition of CORE
[count]
1
:
the central part of a fruit (such as an apple) that contains the seeds
—
see color picture on this page
2
:
the central part of something
-
the core of a golf ball
-
The pads have a foam core.
-
the engine core
-
the core of the galaxy
-
The Earth's core is very different from its crust.
-
the urban core [=the central part of a city]
3
:
the most important or basic part of something
-
Lack of money is the core of the problem.
-
The core of the government's plan is to provide loans for small businesses.
-
voters who form the core of the party
-
The economy is at the very core of this year's election.
—
see also hard core
4
technical
:
a part that has been removed from a material for scientific study
5
technical
:
the place in a nuclear reactor where the reaction takes place
to the core
:
in a very complete or extreme way
—
used for emphasis
-
He is patriotic to the core. [=he is extremely patriotic]
-
Her family is English to the core.
-
He's rotten to the core. [=he's a very bad/dishonest person]
-
They were shaken to the core. [=extremely shaken/upset]
2
core
/ˈkoɚ/
adjective
Britannica Dictionary definition of CORE
always used before a noun
1
:
most important or most basic
-
The company's core business is lending money.
-
Stealing would go against his core beliefs. [=his basic principles]
-
the core responsibilities of the police force
-
the core vocabulary of a language
2
:
of or relating to the classes that all the students in a school are required to take or the skills that all students are required to learn
-
the core curriculum
-
core courses/subjects
3
core
/ˈkoɚ/
verb
cores;
cored;
coring
cores;
cored;
coring
Britannica Dictionary definition of CORE
[+ object]
:
to remove a core from (a fruit)
— corer
noun,
plural
corers
[count]