Dullness (other)
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Dullness may refer to:


In vision

*A lack of perceived
brightness Brightness is an attribute of visual perception in which a source appears to be radiating/reflecting light. In other words, brightness is the perception dictated by the luminance of a visual target. The perception is not linear to luminance, and ...
*A lack of perceived
colorfulness Colorfulness, chroma and saturation are attributes of perceived color relating to chromatic intensity. As defined formally by the International Commission on Illumination (CIE) they respectively describe three different aspects of chromatic ...


In medicine

*A dull sound in response to
percussion (medicine) Percussion is a technique of clinical examination. Overview Percussion is a method of tapping on a surface to determine the underlying structures, and is used in clinical examinations to assess the condition of the thorax or abdomen. It is on ...
** Shifting dullness, a medical sign


In philosophy and religion

*
Tamas (philosophy) ''Tamas'' (Sanskrit: तमस् ''tamas'', ) is one of the three '' guṇas'' (tendencies, qualities, attributes), a philosophical and psychological concept developed by the Samkhya school of Hindu philosophy.James G. Lochtefeld, Guna, in The ...
, one of the three tendencies in the Samkhya school of Hindu philosophy * Thīna, an unwholesome mental factor in Buddhism *''Laya'' or ''bying-ba'', in the five faults and eight antidotes of Tibetan Buddhism


Other uses

* Dulling, the tendency of a blade to lose sharpness *
Stupidity Stupidity is a lack of intelligence, understanding, reason, or wit, an inability to learn. It may be innate, assumed or reactive. The word ''stupid'' comes from the Latin word ''stupere''. Stupid characters are often used for comedy in fictio ...
*A tendency to cause
boredom In conventional usage, boredom, , or tedium is an emotion characterized by Interest (emotion), uninterest in one's surrounding, often caused by a lack of distractions or occupations. Although, "There is no universally accepted definition of bo ...
*
Drowsiness Somnolence (alternatively sleepiness or drowsiness) is a state of strong desire for sleep, or sleeping for unusually long periods (compare hypersomnia). It has distinct meanings and causes. It can refer to the usual state preceding falling asleep ...
(archaic)


See also

* Dull (disambiguation) *
Dulness Dulness is the goddess who presides over Alexander Pope's ''The Dunciad''. She is the central character, introduced at the start of the work. Dulness is the daughter of Chaos and "eternal Night", and her mission is to convert all the world to stu ...
, a goddess in ''The Dunciad'' *
Dully Dully is a municipalities of Switzerland, municipality in the district of Nyon District, Nyon in the Cantons of Switzerland, canton of Vaud in Switzerland. History Dully is first mentioned in 1238 as ''Delui''. Geography Dully has an area, , of ...
, a municipality in the canton of Vaud in Switzerland {{dab