infimum

[in-fahy-muh m, -fee-] /ɪnˈfaɪ məm, -ˈfi-/
noun, Mathematics
1.
greatest lower bound.
Abbreviation: inf.
Origin
1935-40; < Latin, noun use of neuter of infimus lowest (superlative of inferus low)
British Dictionary definitions for infimum

infimum

/ˈɪnfɪməm/
noun (pl) -ma (-mə)
1.
the greatest lower bound
infimum in Technology