vastakkaissuuntaisen
Vastakkaissuuntaisen is a Finnish adjective form meaning “of opposite direction” or “opposite-direction.” It is built from vastakkainen (opposite) and suunta (direction) with the standard adjectival suffix -inen, and it inflects like other Finnish adjectives for number and case. The base form vastakkaissuuntaisen is used in grammatically appropriate positions such as genitive or combined with nouns to express possession or relation, for example vastakkaissuuntaisen virran or vastakkaissuuntaisen magneettikentän.
The term is common in technical and scientific language, where it describes quantities, fields, or motions that
Usage examples include phrases like vastakkaissuuntaisen virran aiheuttama oikosulku (short circuit caused by opposite-direction current), vastakkaissuuntaiset
See also: opposite direction, vector, opposing forces, relative motion.