Truncating is when something is removed to make it compatible with something smaller A decimal number can often be truncated to an integer by removing the decimal digits
To shorten a word to its root In searching databases, a truncation symbol, such as ? or *, can be used to find several words with the same root For example, m?n finds men and man; find* searches for find, finder, finding, finds
replace a corner by a plane terminating abruptly by having or as if having an end or point cut off; "a truncate leaf"; "truncated volcanic mountains"; "a truncated pyramid