Critical
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Removing backlinks to Critical Software that has been speedily deleted per ([[WP:CSD#A7|CSD A7]]); using [[WP:TWINKLE|TW]]
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'''Critical''' may denote:
*pertaining to a [[critic]]
*pertaining to a [[critique]]
*pertaining to a [[crisis]]
More specifically:
===Philosophy===
*[[critical theory]] - concepts in social theory and in literary criticism
===Psychology and education===
*[[critical pedagogy]] - helping students achieve critical consciousness
*[[critical psychology]] - critiquing mainstream psychology, often looking towards social change as a means of preventing and treating psychopathology
*[[critical thinking]] - mental processes of discernment, analysis and evaluation
===Biology and medicine===
*[[intensive care medicine|critical care]] - intensive care medicine
**[[critical condition]] - grade of severity of a medical condition
*[[critical period]] - a time in the early stages of an organism's life during which it displays a heightened sensitivity to certain environmental stimuli, and develops in particular ways due to experiences at this time
===Mathematics===
*[[critical graph]] - graph with minimal chromatic number
*[[critical group]] - a group not in the variety generated by all its proper subquotients
*[[critical line]] - of zeros of the Riemann zeta function
*[[critical pair]] - concepts in mathematical logic, and in order theory
*[[critical point (mathematics)]] - point on a function where the derivative vanishes
*[[critical point (set theory)]] - of an elementary embedding of a transitive class into another transitive class: the smallest ordinal which is not mapped to itself
===Physics===
*[[critical angle]] - the angle of incidence above which total internal reflection occurs.
*[[critical distance]] - in audio physics, the distance at which the sound pressure level of the direct and the reverberant sound fields are equal when dealing with a directional source.
*[[critical mass]] - the smallest amount of fissile material needed for a sustained nuclear chain reaction.
*[[critical point (thermodynamics)]] - conditions (temperature, pressure) at which the liquid state of matter ceases to exist
**[[critical phenomena]] - associated with critical points
*[[critical speed]] - the theoretical angular velocity which excites the natural frequency of a screw or gear.
===Process control===
*[[Critical Control Point]] - a point, step or procedure at which controls can be applied and a food safety hazard can be prevented, eliminated or reduced to acceptable (critical) levels
*[[critical hours]] - from sunrise to two hours after sunrise, and from two hours before sunset until sunset, local time
*[[critical path method]] - project management algorithm
*[[Critical Security Parameter]] - information that is either user or system defined and is used to operate a cryptography module in processing encryption functions
*[[Critical Success Factor]] - an element which is necessary for an organization or project to achieve its mission.
===Aviation===
*[[Angle of attack#Critical angle of attack|critical angle of attack]] - such that the airflow has [[Flow separation|separated]] from a substantial portion of the upper surface of the airfoil
*[[critical area]] - designated area of an airport that all aircraft must remain clear of when another aircraft is inbound on an ILS approach
*[[critical engine]] - the one whose failure would result in the most adverse effects on the aircraft's handling and performance
*[[critical mach]] - the speed at which some of the airflow on a wing becomes supersonic.
===Other===
*[[Critical (novel)|''Critical'' (novel)]] - a medical thriller written by Dr. Robin Cook
*[[critical focus]] - the portion of a photograph that is optically in focus
*[[critical hit]] - in role-playing games, a successful attack that deals more damage than a normal hit
*[[critical load]] - of a pollutant, minimum exposure threshold for known harmful effects
*[[critical section]] - piece of code requiring single-thread to a shared device
*Critical Software - company specializing in mission and business critical information systems.
**[[Critical Software Technologies]], UK subsidiary
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