adjective🔗ShareExhibiting duality; characterized by having two (usually equivalent) components."The du camera system on the new phone captures images with exceptional depth and clarity, thanks to its two lenses working together. "theoryphilosophyChat with AIVocabulary GamePractice Reading
adjective🔗ShareActing as a counterpart."The principal served as the du headmaster while the original one was on leave. "positionjoborganizationChat with AIVocabulary GamePractice Reading
adjective🔗Share(grammar) Pertaining to grammatical number (as in singular and plural), referring to two of something, such as a pair of shoes, in the context of the singular, plural and, in some languages, trial grammatical number."Modern Arabic displays a dual number, as did Homeric Greek."grammarlanguagelinguisticsnumberChat with AIVocabulary GamePractice Reading
adjective🔗ShareBeing the space of all linear functionals of (some other space)."The du vector space, while important theoretically, is rarely encountered directly in undergraduate physics courses. "mathspacefunctiontheoryChat with AIVocabulary GamePractice Reading
adjective🔗ShareBeing the dual of some other category; containing the same objects but with source and target reversed for all morphisms."The "undo" function on a computer program is du to the "redo" function; they operate on the same actions but in opposite directions. "mathtechnicalcomputinglogicChat with AIVocabulary GamePractice Reading