minimum

noun

1. The lowest limit.

   “We prefer candidates with a minimum of 4 years experience in the field.”

   “We need a minimum of three staff members on duty at all times.”

2. The smallest amount.

   “He always tries to get away with doing the minimum.”

   “Please keep noise to a minimum after 11 o'clock”

   “Realism might be the hardest aesthetic to do well. The performances have to be genuinely moving and the setting vividly evoked; bonkers twists must be kept to a minimum.”

3. A period of minimum brightness or energy intensity (of a star).

   “The Maunder minimum of the Sun reportedly corresponded to a period of great cold on Earth.”

4. A lower bound of a set which is also an element of that set.
5. The smallest member of a batch or sample or the lower bound of a probability distribution.

adj

1. (not-comparable)To the lowest degree.