In the terminology of Islam, duʿāʾ (Arabic: دُعَاء, plural: ʾadʿiyah أدْعِيَة; also transliterated Doowa), literally meaning "invocation", is an act of supplication.
In philosophy of mind, dualism or duality is the position that mental phenomena are, in some respects, non-physical, or that the mind and body are not identical.
Dualism (from the Latin word duo meaning "two") denotes the state of two parts. The term dualism was originally coined to denote co-eternal binary opposition, a meaning that is preserved in metaphysical and philosophical duality discourse but has been more generalized in other usages to indicate a system which contains two essential parts.
Duane Darrin Mann is a rugby league coach and former professional footballer who represented and captained both the New Zealand Kiwis and Tonga.
Dua Lipa (/ˈduːə ˈliːpə/; Albanian pronunciation: [dua liːpa]; born 22 August 1995) is an English singer, songwriter and model.
Duane Eubanks (born January 24, 1969 in Philadelphia) is an award-winning jazz trumpeter and flugelhornist, known for his participation in Dave Holland's big band.
In mathematics, a duality, generally speaking, translates concepts, theorems or mathematical structures into other concepts, theorems or structures, in a one-to-one fashion, often (but not always) by means of an involution operation: if the dual of A is B, then the dual of B is A.
A dual carriageway (North American English: divided highway) is a class of highway with carriageways for traffic travelling in opposite directions separated by a central reservation (North American English: median).
In psychology, a dual process theory provides an account of how a phenomenon can occur in two different ways, or as a result of two different processes.
A dual-gauge railway is a line of track that provides for trains of two separate track gauges. A mixed-gauge railway provides for more than two separate gauges, but is also a term sometimes used to denote dual-gauge.