core

noun
B2
OPAL
1
B2
the most important or central part of something
هسته, مرکز, جوهره, اساس
see also Common Core
2
the central part of an object
مرکز, هسته
the earth’s core
the core of a nuclear reactor
The standards of housing and education are often lower in the older urban cores .
3
the hard central part of a fruit such as an apple, that contains the seeds
هسته
an apple core
4
the muscles of the lower back and stomach area which help you to maintain good balance, etc.
عضلات مرکزی بدن, ماهیچه‌های ناحیه مرکزی بدن
Your posture will improve as your core becomes stronger.
5
a small group of people who take part in a particular activity
هسته, گروه اصلی, گروه مرکزی
He gathered a small core of advisers around him.
adjective
B2
1
B2
most important; main or essential
اصلی, مرکزی, مهّم, جوهری
compare non-core
2
B2
used to describe the most important or central beliefs, etc. of a person or group
اَصل, اَساسی
core beliefs/principles
The party is losing touch with its core values.
3
used to describe the most important members of a group
اصلی, هسته‌ای
The team is built around a core group of players.
verb
1
to take out the core of a fruit
هسته درآوردن, هسته‌گیری کردن, مغز میوه را درآوردن