gradient


Also found in: Dictionary, Thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia.
Related to gradient: concentration gradient, divergence

gradient

 [gra´de-ent]
rate of increase or decrease of a variable value, or its representative curve.
edge gradient in radiology, the penumbra or partial shadow on a radiograph caused by the three-dimensional shape of an object.
electrochemical gradient the difference in ion concentration and electrical potential from one point to another, so that ions tend to move passively along it.

gra·di·ent

(grā'dē-ĕnt),
Rate of change of temperature, pressure, magnetic field, or other variable as a function of distance, time, or other continuously changing influence.

gradient

(grā′dē-ənt)
n. Abbr. grad.
1. A rate of inclination; a slope.
2. An ascending or descending part; an incline.
3. Physics The rate at which a physical quantity, such as temperature or pressure, changes in response to changes in a given variable, especially distance.
4. Biology A series of progressively increasing or decreasing differences in the growth rate, metabolism, or physiological activity of a cell, organ, or organism.

gra·di·ent

(grā'dē-ĕnt)
Rate of change of temperature, pressure, or other variable, as a function of factors of distance or time.

gra·di·ent

(grā'dē-ĕnt)
Rate of change of temperature, pressure, magnetic field, or other variable as a function of distance, time, or other continuously changing influence.
References in periodicals archive ?
With the increasing miniaturisation of technologies, the effect of strain gradient becomes magnified at smaller sizes.
"Thanks to a totally new approach to contact lens comfort, our development teams were able to deliver these high-performing, water gradient contact lenses, which are designed to meet the needs of wearers' demanding lifestyles in today's world."
Permeability tests were conducted with hydraulic gradients of 15, 66, 85 and 140, with four repetitions for each hydraulic gradient using the column percolation device, Figure 1a, implemented at the Civil Engineering Laboratory from the Federal University of Vicosa, Brazil.
The gradient edge formed in the small cross-angle microgrooving experiment is shown in Figure 10.
As for potential investment targets, Gradient wants part of its appeal to be the resources it could provide through its parent company.
The algorithm utilizes a prior model of gradient distribution of face images and our previous PCA-based restoration [3].
But the UK is also a particularly good place to study the social gradient (once again, by that we mean there is a higher incidence of breast cancer among wealthier, more highly educated women).
Yes, as you surmised, in this case, both the weather and climb gradient are required for take-off, and the typical option for trading off one for the other isn't available due to the obstacles.
In this paper, the gradient information of AMSU-A observed [T.sub.B]B data is introduced into the model as new assimilation data using the CRTM model and the feasibility of the gradient information assimilation method for satellite observation data is verified by comparing assimilation results between gradient information assimilation method and original variational assimilation method.
Therefore, we consider an asymmetric configuration to design the split MRI gradient assembly in this work.
Method of sperm preparation for intrauterine insemination during super-ovulation was randomly assigned for swim-up and density gradient techniques.