security

noun
B1
OPAL
1
B1
the activities involved in protecting a country, building or person against attack, danger, etc.
امنیت, محافظت, حفاظت, پاسداری, نگهبانی, حراست
see also high-security, minimum security prison
2
B1
a place at an airport where you go after your passport has been checked so that officials can find out if you are carrying illegal drugs or weapons
بازرسی امنیتی, چک امنیتی, کنترل امنیتی
My bag was emptied and searched when I went through security.
It took ages to clear security and reach the departure lounge.
Airport security might decide you're unfit to fly.
3
the department of a large company or organization that deals with the protection of its buildings, equipment and staff
بخش حفاظت, اداره امنیت, بخش نگهبانی, اداره حفاظت
Security was/were called to the incident.
4
B1
protection against something bad that might happen in the future
امنیت, حفاظت, ایمنی
financial security
Which type of investment offers the greatest security?
This system provides basic security for employees.
see also food security, information security, job security
5
B2
the state of feeling happy and safe from danger or worry
امنیت, آرامش, اطمینان, امنیت روانی
the security of a loving family life
She'd allowed herself to be lulled into a false sense of security.
6
a valuable item, such as a house, that you agree to give to somebody if you are unable to pay back the money that you have borrowed from them
وثیقه
She pledged her jewellery as security for a £50 000 loan.
His father agreed to stand security for his son's house-purchase loan.
The bank will make a loan against the security of the lender's house.
7
documents proving that somebody is the owner of shares, etc. in a particular company
اوراق بهادار
government securities