weight - définition. Qu'est-ce que weight
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Qu'est-ce (qui) est weight - définition

FORCE ACTING ON A MASS DUE TO GRAVITY
Gross weight; Measure of weight; Weigh; Net weight; Nett weight; Weighty; Weighing; Ponderous; Gross rail load; Laden weight; Units of weight; Wieght; Heaviness
  • Ancient Greek]] official bronze weights dating from around the 6th century BC, exhibited in the [[Ancient Agora Museum]] in Athens, housed in the [[Stoa of Attalus]].
  • 0}} in 0.86 seconds. This is a horizontal acceleration of 5.3{{spaces}}g. Combined with the vertical g-force in the stationary case the [[Pythagorean theorem]] yields a g-force of 5.4{{spaces}}g. It is this g-force that causes the driver's weight if one uses the operational definition. If one uses the gravitational definition, the driver's weight is unchanged by the motion of the car.
  • A [[weighbridge]], used for weighing trucks
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  • moments]] acting on it sum to zero).

weight         
(weights, weighting, weighted)
Frequency: The word is one of the 1500 most common words in English.
1.
The weight of a person or thing is how heavy they are, measured in units such as kilograms, pounds, or tons.
What is your height and weight?...
This reduced the weight of the load...
Turkeys can reach enormous weights of up to 50 pounds.
N-VAR: oft amount in N, with poss, N of amount
If someone loses weight, they become lighter. If they gain weight or put on weight, they become heavier.
I'm lucky really as I never put on weight...
He lost two stone in weight during his time there.
PHRASE: V inflects
2.
A person's or thing's weight is the fact that they are very heavy.
Despite the vehicle's size and weight it is not difficult to drive.
N-UNCOUNT: with poss
3.
If you move your weight, you change position so that most of the pressure of your body is on a particular part of your body.
He shifted his weight from one foot to the other...
He kept the weight from his left leg.
N-SING: poss/the N
4.
Weights are objects which weigh a known amount and which people lift as a form of exercise.
I was in the gym lifting weights.
N-COUNT: usu pl
5.
Weights are metal objects which weigh a known amount and which are used on a set of scales to weigh other things.
N-COUNT
6.
You can refer to a heavy object as a weight, especially when you have to lift it.
Straining to lift heavy weights can lead to a rise in blood pressure.
N-COUNT
7.
If you weight something, you make it heavier by adding something to it, for example in order to stop it from moving easily.
It can be sewn into curtain hems to weight the curtain and so allow it to hang better.
VERB: V n
8.
If you weight things, you give them different values according to how important or significant they are.
...a computer program which weights the different transitions according to their likelihood...
This takes account of the number of countries in which a company wins approval for a new drug, weighted by the size of each country's market.
VERB: V n, V-ed
9.
If something is given a particular weight, it is given a particular value according to how important or significant it is.
The scientists involved put different weight on the conclusions of different models...
= weighting
N-VAR
10.
If someone or something gives weight to what a person says, thinks, or does, they emphasize its significance.
The fact that he is gone has given more weight to fears that he may try to launch a civil war...
N-UNCOUNT
11.
If you give something or someone weight, you consider them to be very important or influential in a particular situation.
Consumers generally place more weight on negative information than on the positive when deciding what to buy.
N-UNCOUNT
12.
13.
If a person or their opinion carries weight, they are respected and are able to influence people.
That argument no longer carries as much weight...
Senator Kerry carries considerable weight in Washington.
PHRASE: V inflects
14.
If you say that someone or something is worth their weight in gold, you are emphasizing that they are so useful, helpful, or valuable that you feel you could not manage without them.
Any successful manager is worth his weight in gold.
PHRASE: v-link PHR [emphasis]
15.
If you pull your weight, you work as hard as everyone else who is involved in the same task or activity.
He accused the team of not pulling their weight.
PHRASE: V inflects
16.
a weight off your mind: see mind
Weight         
·vt Hence, pressure; burden; as, the weight of care or business.
II. Weight ·vt A ponderous mass; something heavy; as, a clock weight; a paper weight.
III. Weight ·add. ·vt To load (fabrics) as with barite, to increase the weight, ·etc.
IV. Weight ·vt The resistance against which a machine acts, as opposed to the power which moves it.
V. Weight ·vt Importance; power; influence; efficacy; consequence; moment; impressiveness; as, a consideration of vast weight.
VI. Weight ·vt A definite mass of iron, lead, brass, or other metal, to be used for ascertaining the weight of other bodies; as, an ounce weight.
VII. Weight ·vt A scale, or graduated standard, of heaviness; a mode of estimating weight; as, avoirdupois weight; troy weight; apothecaries' weight.
VIII. Weight ·vt To assign a weight to; to express by a number the probable accuracy of, as an observation. ·see Weight of observations, under Weight.
IX. Weight ·vt To load with a weight or weights; to load down; to make heavy; to attach weights to; as, to weight a horse or a jockey at a race; to weight a whip handle.
X. Weight ·vt The quality of being heavy; that property of bodies by which they tend toward the center of the earth; the effect of gravitative force, especially when expressed in certain units or standards, as pounds, grams, ·etc.
XI. Weight ·vt The quantity of heaviness; comparative tendency to the center of the earth; the quantity of matter as estimated by the balance, or expressed numerically with reference to some standard unit; as, a mass of stone having the weight of five hundred pounds.
weight         
I. n.
1.
Heaviness, gravity, ponderousness, ponderosity.
2.
Pressure, burden, load.
3.
Importance, influence, power, efficacy, consequence, moment, significance, import, pith.
4.
Scale, mode of estimating weight, measure, system of weighing.
II. v. a.
Load, make heavy, load down.

Wikipédia

Weight

In science and engineering, the weight of an object is the force acting on the object due to acceleration or gravity.

Some standard textbooks define weight as a vector quantity, the gravitational force acting on the object. Others define weight as a scalar quantity, the magnitude of the gravitational force. Yet others define it as the magnitude of the reaction force exerted on a body by mechanisms that counteract the effects of gravity: the weight is the quantity that is measured by, for example, a spring scale. Thus, in a state of free fall, the weight would be zero. In this sense of weight, terrestrial objects can be weightless: ignoring air resistance, the famous apple falling from the tree, on its way to meet the ground near Isaac Newton, would be weightless.

The unit of measurement for weight is that of force, which in the International System of Units (SI) is the newton. For example, an object with a mass of one kilogram has a weight of about 9.8 newtons on the surface of the Earth, and about one-sixth as much on the Moon. Although weight and mass are scientifically distinct quantities, the terms are often confused with each other in everyday use (e.g. comparing and converting force weight in pounds to mass in kilograms and vice versa).

Further complications in elucidating the various concepts of weight have to do with the theory of relativity according to which gravity is modeled as a consequence of the curvature of spacetime. In the teaching community, a considerable debate has existed for over half a century on how to define weight for their students. The current situation is that a multiple set of concepts co-exist and find use in their various contexts.

Exemples du corpus de texte pour weight
1. Natural uranium consists of heavy–weight atoms, middle–weight atoms, and light–weight atoms.
2. Weight Loss Success What‘s the best way to lose weight?
3. The heavy–weight atoms contain 146 neutrons, the middle–weight contain 143 neutrons, and the light–weight have just 142 neutrons.
4. BMI uses weight and height to work out whether someone is of healthy weight.
5. Weight connection Israeli, Palestinian women come together to lose weight and stay healthy. .