1.  least possible, very small, smallest; pertaining to a minimum; simple. minimalmini*mal , a. of, pertaining to, or having a character of, a minim or minimum; least; smallest; as, a minimal amount or value
2.  least possible, very small, smallest; pertaining to a minimum; simple. minimalmini*mal , a. of, pertaining to, or having a character of, a minim or minimum; least; smallest; as, a minimal amount or value