gradient

gradient
noun Etymology: Latin gradient-, gradiens, present participle of gradi Date: 1835 1. a. the rate of regular or graded ascent or descent ; inclination b. a part sloping upward or downward 2. change in the value of a quantity (as temperature, pressure, or concentration) with change in a given variable and especially per unit distance in a specified direction 3. the vector sum of the partial derivatives with respect to the three coordinate variables x, y, and z of a scalar quantity whose value varies from point to point 4. a graded difference in physiological activity along an axis (as of the body or an embryonic field) 5. change in response with distance from the stimulus

New Collegiate Dictionary. 2001.

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  • gradient — [ gradjɑ̃ ] n. m. • 1876; du rad. du lat. gradus « degré », d apr. quotient I ♦ Sc. Taux de variation (d une grandeur physique) en fonction de la distance. 1 ♦ Météor., géogr. Gradient de température : variation de la température en fonction de l …   Encyclopédie Universelle

  • gradient — GRADIÉNT, gradienţi, s.m. Mărime care indică variaţia presiunii barometrice sau a temperaturii în anumite condiţii. [pr.: di ent] – Din fr. gradient. Trimis de gall, 13.09.2007. Sursa: DEX 98  gradiént (mat., fiz., miner. ) s. m. (sil. di ent),… …   Dicționar Român

  • Gradient — Gra di*ent, n. 1. The rate of regular or graded ascent or descent in a road; grade. [1913 Webster] 2. A part of a road which slopes upward or downward; a portion of a way not level; a grade. [1913 Webster] 3. The rate of increase or decrease of a …   The Collaborative International Dictionary of English

  • Gradient — Gra di*ent, a. [L. gradiens, p. pr. of gradi to step, to go. See {Grade}.] 1. Moving by steps; walking; as, gradient automata. Wilkins. [1913 Webster] 2. Rising or descending by regular degrees of inclination; as, the gradient line of a railroad …   The Collaborative International Dictionary of English

  • Gradient — Gradient, barometrischer, ein von der neueren Meteorologie geschaffenes Maß für die Größe des barometrischen Gefälles, der Aenderungen des gleichzeitig herrschenden Luftdruckes von einem Ort zum andern. Da die Isobaren diejenigen Orte verbinden,… …   Lexikon der gesamten Technik

  • Gradiént — (barometrisches Gefälle), die in Millimetern ausgedrückte Zu oder Abnahme des Luftdrucks, die sich ergibt, wenn man von einem Punkt einer Isobare senkrecht zu dieser horizontal um 111 km (die Länge eines Äquatorgrades) fortschreitet. Dabei müssen …   Meyers Großes Konversations-Lexikon

  • Gradiént — Gradiént, barometrischer, oder barometrisches Gefälle, die Richtung und der Betrag der räumlichen horizontalen Unterschiede im Barometerstande, ausgedrückt durch die Zahl der Millimeter, um die sich letzterer ändert, wenn man um einen Äquatorgrad …   Kleines Konversations-Lexikon

  • gradient — (n.) steep slope of a road or railroad, 1835, principally in Amer.Eng., from GRADE (Cf. grade) (n.) by analogy of QUOTIENT (Cf. quotient), etc. It was used 17c. as an adjective, of animals, characterized by walking; in that case probably from L.… …   Etymology dictionary

  • gradient — [n] slope acclivity, angle, bank, cant, declivity, grade, hill, inclination, incline, lean, leaning, pitch, ramp, rise, slant, tilt; concepts 738,757 …   New thesaurus

  • gradient — ► NOUN 1) a sloping part of a road or railway. 2) the degree of a slope, expressed as change of height divided by distance travelled. 3) Physics a change in the magnitude of a property (e.g. temperature) observed in passing from one point or… …   English terms dictionary

  • gradient — [grā′dē ənt] adj. [L gradiens (gen. gradientis), prp. of gradi, to step: see GRADE] ascending or descending with a uniform slope n. 1. a) a slope, as of a road or railroad b) the degree of such slope 2. Biol. a gradation in rate of growth,… …   English World dictionary

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