bidirectional
UK[ˌbaɪdəˈrekʃənl]US[ˌbaɪdəˈrekʃənl]
adj
Operating or moving in two opposite directions.
adj
Involving two parties or groups in a mutual relationship.
Morpheme Breakdown
bi
direction
al
bi
two
direction
course
al
adjective suffix
Etymology
The word 'bidirectional' is a modern English compound formed from established morphemes. The prefix 'bi-', from Latin 'bis' (twice), is a common indicator of duality. It is attached to the noun 'direction', which itself evolved from Latin 'dirigere', meaning to set in a straight line, via the noun form 'directio'. The adjectival suffix '-al' is then added to form a term describing a property. The literal construction "of or relating to two directions" logically evolved into its modern abstract meanings, describing systems, flows, or relationships that operate or exist mutually in two opposing or complementary ways.
Analysis
Structure: bi (two) + direction (course) + al (adjective suffix)
- bi: Latin origin, meaning "two" or "twice". It functions as a prefix indicating duality.
- direction: Derived from Latin directio (a making straight, direction), from dirigere (to set straight). It functions as the core noun element meaning a course or line along which something moves.
- al: Latin suffix -alis, forming adjectives meaning "of, relating to, or characterized by".
Examples
The new fiber optic cable allows for bidirectional data transfer.
Effective communication should be a bidirectional process between management and staff.
The antenna is bidirectional, receiving signals from both the east and west.