"truncate" in the verb sense
replace a corner by a plane
approximate by ignoring all terms beyond a chosen one
"truncate a series"
3. truncate, cut short
make shorter as if by cutting off
"truncate a word"
"Erosion has truncated the ridges of the mountains"
"truncate" in the adjective sense
1. truncate, truncated
terminating abruptly by having or as if having an end or point cut off
"a truncate leaf"
"truncated volcanic mountains"
"a truncated pyramid"
Source: WordNet® (An amazing lexical database of English)
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