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Specific may refer to:

  • Specificity (disambiguation)

  • Specific, a cure or therapy for a specific illness


  • Specific deterrence, focussed on an individual

  • Specific finding, intermediate verdict used by a jury in determining the final verdict

  • Specific jurisdiction over an out-of-state party, specific to cases that have a substantial connection to the party's in-state activity

  • Order of specific performance, court order to perform a specific act

;Economics, finance, and accounting:

  • Asset specificity, the extent to which the investments made to support a particular transaction have a higher value to that transaction than they would have if they were redeployed for any other purpose

  • Specific identification (inventories), summing purchase costs of all inventory items

  • Specific rate duty, duty paid at a specific amount per unit

  • Specific risk, risk that affects a very small number of assets


  • Domain specificity, theory that many aspects of cognition are supported by specialized, presumably evolutionarily specified, learning devices

  • Specific developmental disorder, disorders in which development is delayed in one specific area or areas, and in which basically all other areas of development are not affected

  • Specific learning disability

  • Specific phobia, phobia of a specific thing or situation
    ** Specific social phobia, triggered only by specific social situations


  • Specific appetite, drive to eat foods with specific flavors or other characteristics

  • Specific granule, secretory vesicle in granulocytes

  • Specific immunity, to a particular pathogen

  • Specific name (botany), species name of a plant

  • Specific name (zoology), species name of an animal

  • Specific Pathogen Free, of a laboratory animal guaranteed free of particular (i.e., specific and named) pathogens

Physical natural sciences, including physiology, and engineering

"Specific" generally means "per unit" of something (often mass), and signals a division of the subject quantity by a parametizing quantity that may or may not be named. If the divisor quantity is named, the name is usually placed before "specific" in the term (i.e., thrust specific fuel consumption). Named and unnamed divisor quantities are given for the terms below.

Per unit of mass (short form of ''mass-specific''):

  • Specific absorption rate, power absorbed per unit mass of tissue at a given frequency

  • Specific activity, radioactivity in becquerels per unit mass

  • Specific energy, defined as energy per unit mass

  • Specific enzyme activity, activity per milligram of total protein
    Specific internal energy, internal energy per unit mass
    Specific kinetic energy, kinetic energy of an object per unit of mass

  • Specific enthalpy, enthalpy per unit mass

  • Specific force, defined as the non-gravitational force per unit mass

  • Specific growth rate, increase in cell mass per unit cell mass per unit time

  • Specific heat capacity, heat capacity per unit mass, unless another unit is named, such as mole-specific heat capacity, or volume-specific heat capacity

  • Specific latent heat, latent heat per unit mass

  • Specific leaf area, leaf area per unit dry leaf mass

  • Specific modulus, a materials property consisting of the elastic modulus per mass density of a material

  • Specific orbital energy, orbital energy per unit mass

  • Specific power (disambiguation), per unit of mass (or volume or area)

  • Specific relative angular momentum, of two orbiting bodies is angular momentum per unit reduced mass, or the vector product of the relative position and the relative velocity

  • Specific surface area, per unit of mass, volume, or cross-sectional area

  • Specific volume, volume per unit mass, i.e. the reciprocal of density

Per unit of other type. The dividing unit is sometimes added before the term "specific", and sometimes omitted.

  • Brake specific fuel consumption, fuel consumption per unit of braking power

  • Thrust specific fuel consumption, fuel consumption per unit of thrust

  • Specific acid catalysis, in which the reaction rate is proportional to the concentration of the protonated solvent molecules

  • Specific acoustic impedance, ratio of sound pressure p to particle velocity v at a single frequency

  • Specific capacity of a water well, quantity of water produced per (length) unit of drawdown

  • Specific conductance, conductance per meter. Identical to electrical conductivity

  • Specific detectivity of a photodetector

  • Specific fuel consumption (disambiguation). Fuel consumption per unit thrust, or per unit power. Type defined as above.

  • Specific gas constant, per molar mass

  • Specific gravity, relative density with respect to water (density per water density)

  • Specific heat of vaporization, enthalpy of vaporization, vaporizing heat per mole

  • Specific humidity, mass of water vapor per unit mass dry air

  • Specific impulse, impulse (momentum change) per unit of propellant (either per unit of propellant mass, or per unit of propellant by Earth-weight)

  • Specific mass, actually meaning ''volume-specific'' mass, or mass per unit volume. Same as density

  • Specific melting heat, enthalpy of fusion; melting heat per mole

  • Specific modulus, elastic modulus per mass density

  • Specific properties of a substance

  • Specific resistance (disambiguation), several scientific meanings

  • Specific rotation of a chemical, angle of optical rotation α of plane-polarized light per standard sample with a path length of one decimeter and a sample concentration of one gram per millilitre

  • Specific speed, unitless figure of merit used to classify pump impellers (pump-specific) and turbines (turbine-specific). Ratio of performance against reference pump that needs one unit of speed to pump one unit volume per one unit hydraulic head pressure. For a turbine, it is performance measured against a reference turbine that develops one unit of power per one unit speed per one unit of hydraulic head.

  • Specific storage, specific yield, and specific capacity, characterize the capacity of an aquifer to release groundwater from storage per unit decline in hydraulic head pressure

  • Specific strength, material strength (pressure required at failure) per unit material density

  • Specific surface area, per unit of mass, volume, or cross-sectional area

  • Specific surface energy, free energy per unit surface-area

  • Specific thrust, thrust per unit air intake rate

  • Specific weight, weight per unit volume

Other fields

  • SPECIFIC, The Sustainable Product Engineering Centre for Innovative Functional Industrial Coatings

  • Specific creation, creationism as opposed to evolution

  • Specific interval, shortest possible clockwise distance between pitch classes on the chromatic circle

  • Specific integral, in calculus, eliminates the constant of integration

  • Specific Physical Preparedness, being prepared for the movements in a specific physical activity (usually a sport)

See also

  • Species (disambiguation)

  • Specification (disambiguation)

  • Specialty (disambiguation)

  • Site-specific (disambiguation)

  • Language for specific purposes, has been primarily used to refer to two areas within applied linguistics