Erasure may refer to:

Arts and media

Erasure (duo) Erasure ( ) are an English synth-pop duo formed in London in 1985, consisting of lead vocalist and songwriter Andy Bell (singer), Andy Bell and songwriter, producer and keyboardist Vince Clarke, previously co-founder of the band Depeche Mode and ...

, an English pop group * ''Erasure'' (album), 1995, by the British group Erasure *

Erasure poetry Erasure poetry, or blackout poetry, is a form of found poetry or found object art created by erasing words from an existing text in prose or Poetry, verse and framing the result on the page as a poem. The results can be allowed to stand ''in situ' ...

, a form of found poetry created by erasing words from an existing text * ''Erasure'' (novel), 2001, by Percival Everett

Science and technology

Data erasure Data erasure (sometimes referred to as data clearing, data wiping, or data destruction) is a software-based method of data sanitization that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by ...

, a method of software-based overwriting that completely destroys all electronic data *

Erasure channel In coding theory and information theory, a binary erasure channel (BEC) is a communications channel model. A transmitter sends a bit (a zero or a one), and the receiver either receives the bit correctly, or with some probability P_e receives a me ...

, a communication channel model wherein errors are described as erasures *

Erasure code In coding theory, an erasure code is a forward error correction (FEC) code under the assumption of bit erasures (rather than bit errors), which transforms a message of ''k'' symbols into a longer message (code word) with ''n'' symbols such that ...

, a forward error correction (FEC) code for the binary erasure channel *

Type erasure In programming languages, type erasure is the load-time process by which explicit type annotations are removed from a program, before it is executed at run-time. Operational semantics not requiring programs to be accompanied by types are named ...

, a process by which explicit type annotations are removed from a program *

Zeroisation In cryptography, zeroisation (also spelled zeroization) is the practice of erasing sensitive parameters (electronically stored data, cryptographic keys, and critical security parameters) from a cryptographic module to prevent their disclosure if ...

, a process of erasing sensitive data stored electronically by overwriting it

Other uses

Erasure (heraldry) The heads of humans and other animals are frequently occurring charge (heraldry), charges in heraldry. The blazon, or heraldic description, usually states whether an animal's head is couped (as if cut off cleanly at the neck), erasure (heraldry), ...

, the removal of portions of charges in heraldry *

Social amnesia Social amnesia is a collective forgetting by a group of people. The concept is often cited in relation to Russell Jacoby's scholarship from the 1970s. Social amnesia can be a result of "forcible repression" of memories, ignorance, changing circums ...

social invisibility Social invisibility is the condition in which a group of people is separated or systematically ignored by the majority of a society. As a result, those who are marginalized feel neglected or being invisible in the society. It can include disadvan ...

, the separation or systematic ignoring of a history or a group of people ** , Latin phrase meaning 'condemnation of memory' **

LGBT erasure Queer erasure (also known as LGBTQIA+ erasure) refers to the tendency to intentionally or unintentionally remove LGBTQ groups or people from record, or downplay their significance, which includes lesbian, gay, bisexual, transgender, and queer p ...

or queer erasure, the removal of evidence of LGBT groups or people and queerness * , or 'under erasure', a deconstructionist philosophical device developed by Heidegger and used by Derrida

Arts and media

Science and technology

Other uses

See also