unidirectional

American  

[yoo-ni-di-rek-shuh-nl, -dahy-] / ˌyu nɪ dɪˈrɛk ʃə nl, -daɪ- /

adjective

1. operating or moving in one direction only; not changing direction.

   a unidirectional flow.

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unidirectional British  

/ ˌjuːnɪdɪˈrɛkʃənəl, -daɪ- /

adjective

1. having, moving in, or operating in only one direction

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Etymology

Origin of unidirectional

First recorded in 1880–85; uni- + directional

Example Sentences

Previous research has primarily been limited to unidirectional color tuning, typically shifting colors from red to blue.

From Science Daily

These defects disrupt the symmetrical nature of the bubbles, enabling them to experience a unidirectional force despite their symmetrical shape.

From Science Daily

Despite the challenges, foreign investment flows are not unidirectional.

From Reuters

Given that many of the involved spices originate across the Asian continent—not just South Asia—he suggests it was more of an exchange than a unidirectional flow of culinary traditions.

From Scientific American

With modeling and experiment, the team is working to get the best spherical compression from its unidirectional driver.

From Science Magazine