mäntätyyppinen
mäntätyyppinen is a Finnish adjective that translates to "piston-type" or "reciprocating" in English. It is used to describe mechanical devices or systems that operate using a reciprocating piston.
The most common application of the term mäntätyyppinen is in the context of internal combustion engines. A
Beyond engines, the term can also be used for other machinery that employs a piston's back-and-forth movement.
The opposite of a mäntätyyppinen system in some contexts would be a rotary system, such as a