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Dermatophagia – extreme nail biting / biting of skin to point of an obsessive–compulsive disorder (OCD) [1] or other condition leading to self mutilating behaviour such as autistic spectrum disorders [citation needed] (as is the case in this example) or Lesch-Nyhan Syndrome.
Pedophilia (alternatively spelled paedophilia) is a psychiatric disorder in which an adult or older adolescent experiences a primary or exclusive sexual attraction to prepubescent children.
Formal definition According to Jan Lansky, a cryptocurrency is a system that meets six conditions: [ 38 ] The system does not require a central authority; its state is maintained through distributed consensus.
But the definition was soon extended to functions of several variables and to functions of a complex variable. In the second half of the 19th century, the mathematically rigorous definition of a function was introduced, and functions with arbitrary domains and codomains were defined. Functions are now used throughout all areas of mathematics.
The decibel originates from methods used to quantify signal loss in telegraph and telephone circuits. Until the mid-1920s, the unit for loss was miles of standard cable (MSC). 1 MSC corresponded to the loss of power over one mile (approximately 1.6 km) of standard telephone cable at a frequency of 5000 radians per second (795.8 Hz), and matched closely the smallest attenuation detectable to a ...
The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of 1 / 299 792 458 of a second, where the second is defined by a hyperfine transition frequency of caesium.
A kylix depicting Silenus having sex with a fawn, dated after 500 BC. Roman oil lamp dating from 1st–3rd century AD depicting a zoophilic act. The historical perspective on zoophilia and bestiality varies greatly, from the prehistoric era, where depictions of bestiality appear in European rock art, [6] to the Middle Ages, where bestiality was met with execution.
Communication is commonly defined as the transmission of information.Its precise definition is disputed and there are disagreements about whether unintentional or failed transmissions are included and whether communication not only transmits meaning but also creates it.