In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.
unidirectional
(adjective) operating or moving or allowing movement in one direction only; “a unidirectional flow”; “a unidirectional antenna”; “a unidirectional approach to a problem”
Source: WordNet® 3.1
unidirectional (not comparable)
Pertaining to only one direction, e.g.: where all component parts are aligned in the same direction in space.
• bidirectional
unidirectional (plural unidirectionals)
A fabric in which the majority of fibres run in the same single direction.
Source: Wiktionary
21 April 2025
(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.