noun (plural optima; also -mums) Etymology: Latin Date: 1879 the amount or degree of something that is most favorable to some end, greatest degree attained or attainable under implied or specified conditions, ~ adjective
OPTIMUM
Meaning of OPTIMUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012