minimum

keep sth to, reduce sth to

We try to reduce waste to a minimum in our office by recycling everything we can.

reach

The temperature reached a minimum of 5 degrees during the coldest night last winter.

regard sth as

Most employers regard two years of experience as the minimum requirement for this job.

above (the) ~, at (a/the) ~

You need at least five years of experience for this job, though three years is the absolute minimum.

below (the) ~, down to a ~

The company reduced its staff expenses to an absolute minimum during the economic crisis.

~ of

You need a minimum of three references to apply for this job.

the minimum acceptable/necessary/needed/required, the minimum possible

The restaurant must meet the minimum required standards before it can serve customers.