difference

difference
The magnitude or degree by which one quality or quantity differs from another of the same kind.
- alveolar-arterial oxygen d. the d. or gradient between the partial pressure of oxygen in the alveolar spaces and the arterial blood : P(A–a)02. Normally in young adults this value is less than 20 mm Hg. SEE ALSO: alveolar gas equation.
- arteriovenous carbon dioxide d. the d. in carbon dioxide content (in mL per 100 mL blood) between arterial and venous blood.
- arteriovenous oxygen d. the d. in the oxygen content (in mL per 100 mL blood) between arterial and venous blood.
- AV d. abbreviation for arteriovenous d. of concentration of a substance.
- cation-anion d. SYN: anion gap.
- individual differences in clinical psychology, deviations of individuals from the group average or from each other.
- light d. 1. the d. in light sensitivity of the two eyes; 2. SYN: brightness d. threshold.
- masking level d. a technique of comparing threshold responses with masking noise presented in phase and out of phase with the test signal; release from masking is normal and indicates an intact brainstem auditory pathway.
- standard error of d. a statistical index of the probability that a d. between two sample means is greater than zero.

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dif·fer·ence (difґər-ens) the condition or magnitude of variation between two qualities or quantities.

Medical dictionary. 2011.

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  • différence — [ diferɑ̃s ] n. f. • 1160; lat. differentia 1 ♦ Caractère (une différence) ou ensemble des caractères (la différence) qui distingue une chose d une autre, un être d un autre; relation d altérité entre ces choses, entre ces êtres. ⇒ dissemblance,… …   Encyclopédie Universelle

  • Difference — Différence Différence désigne ce qui distingue deux choses, et de façon extensive ce qui distingue plusieurs choses, éventuellement prises deux à deux. Sommaire 1 Mathématiques 2 Statistiques 3 Sens courant 4 Sources …   Wikipédia en Français

  • Différence — désigne ce qui distingue deux choses, et de façon extensive ce qui distingue plusieurs choses, éventuellement prises deux à deux. Sommaire 1 Mathématiques 2 Statistiques 3 Sens courant 4 Sources …   Wikipédia en Français

  • difference — Difference, Delectus, Discrimen, Differentia, Diuersitas, Distantia, Discerniculum. Difference ou desaccordance, Discrepantia. La plus grande difference qui soit entre l homme et la beste, c est que, etc. Inter hominem et belluam hoc maxime… …   Thresor de la langue françoyse

  • différence — DIFFÉRENCE. s. f. Diversité, dissemblance, distinction. Grande différence. Différence notable, essentielle. Légère différence. Il y a grande différence entre l un et l autre, de l un à l autre, de l un avec l autre. Différence de personnes, de… …   Dictionnaire de l'Académie Française 1798

  • difference — Difference. s. f. v. Diversité, dissemblance, distinction. Grande difference. difference notable, essentielle. legere difference. il y a grande difference entre l un & l autre, de l un à l autre, de l un avec l autre. difference de personnes, de… …   Dictionnaire de l'Académie française

  • Difference — Dif fer*ence, n. [F. diff[ e]rence, L. differentia.] 1. The act of differing; the state or measure of being different or unlike; distinction; dissimilarity; unlikeness; variation; as, a difference of quality in paper; a difference in degrees of… …   The Collaborative International Dictionary of English

  • difference — [dif′ər əns, dif′rəns] n. [ME < OFr < L differentia < differens, prp. of differre: see DIFFER] 1. condition, quality, fact, or instance of being different 2. the way in which people or things are different; esp., a determining point or… …   English World dictionary

  • Difference — may refer to: Difference (album), a 2005 power metal album Difference (computer science), a concept in computer science Difference (heraldry), any systematic way of distinguishing similar coats of arms belonging to members of the same family… …   Wikipedia

  • difference — I noun adverseness, antipathy, antithesis, antitheticalness, asymmetry, atypicality, breach, change, clash of temperament, clashing, conflict of opinion, contradiction, contradistinction, contraposition, contrariety, contrariness, contrast,… …   Law dictionary

  • difference — mid 14c., from O.Fr. difference (12c.) difference, distinction; argument, dispute, from L. differentia diversity, difference, from differentem (nom. differens), prp. of differre to set apart (see DIFFER (Cf. differ)). Sense of a quarrel first… …   Etymology dictionary

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