It's a shortened form of "minimum" meaning smallest.
mini
what does the prefix polo mean
The prefix ap- mean to or toward. One word with this prefix is appetite.
what does the prefix cri mean as in crisis
The prefix ben mean of a good nature
mini
Mini-, micro-
mini
miniute miniture
miniature, minimal, miniskirt, minister,
There is no accepted unit called the "mini second". You might be confusing nano- or milli- for the prefix.
what does the prefix polo mean
decrease.
The prefix ap- mean to or toward. One word with this prefix is appetite.
what does the prefix cri mean as in crisis
Nothing. There is no prefix of a.
The prefix ben mean of a good nature