adiabatic

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adiabatic

[¦ad·ē·ə¦bad·ik]
(thermodynamics)
Referring to any change in which there is no gain or loss of heat.

adiabatic

Occurring without the gain or loss of heat.

adiabatic

adiabaticclick for a larger image
Examples of adiabatic heating and cooling when a piston moves up and down in a cylinder.
Thermally insulated or self-contained (i.e., without heat entering or leaving the body).
References in periodicals archive ?
[12], (2008) showed a weight gain in ethanol and isocaloric groups during the experimental period.
As the study diets were controlled to be isocaloric, there were no expected differences in energy balance, suggesting that the satiety effects was not sufficiently strong to override food intake.
We hypothesized that the high-CHO diet would increase SE tolerance, thereby increasing EPOC compared to an isocaloric, low-CHO diet.
Estimated skiing time needed with alpine skiing (AS) to be isocaloric towards 1 hr cross-country skiing (XCS) or indoor cycling (IC) at low intensity (LOW), moderate intensity (MOD) and high intensity (HIGH).
an isocaloric CHO-only drink) on each muscle group and each outcome (DOMS and fatigue), a mixed model was fitted with random effects for player, player x week and player x day.
Major finding: Reduction of dietary carbohydrates led to a significant increase in whole-body 24-hour fat oxidation (P< .0001), while isocaloric reduction of dietary fat in the same subjects had no significant effect on 24-hour fat oxidation (P = .15).
Both investigations which provide supplementation during exercise demonstrated an enhanced time to exhaustion in the carbohydrate plus protein condition, but the generalizability of these data are limited in that neither of these investigations employed an isocaloric design.
The planned diet for the intervention group was a balanced diet with 6 isocaloric meals per day (9-hour interval between the last meal and the next day's first meal).
All the diets were isonitrogenous and isocaloric, and the level of NDF and NFC also were similar.
The animals were assigned to one of the three isocaloric (1.55 Mcal of EL/kg of DM) and isoproteic experimental diets (12.10% of CP), formulated with the program Spartan Dairy Ration Evaluator/Balancer, version 3.0.3., varying according to the energetic source used, as follows: 1) Control: Low ether extract (3.50% EE); 2) Soy: High ether extract (5.30% EE) with an inclusion of 15% soybean, and 3) Citrus Pulp: Low ether extract diet (3.00% EE) and high pectin participation with inclusion of 15% citrus pulp.
[2] Because calories from carbohydrate or from fat/protein may not act identically in the human body, [4] greater weight loss may be achieved from a high-fat, protein diet than from an isocaloric, high-carbohydrate diet.