noun Date: 1975 a system of representing mathematical and logical operations in which the operands precede the operator and which does not require the use of parentheses
REVERSE POLISH NOTATION
Meaning of REVERSE POLISH NOTATION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012