Englishfor English speakers
competitive
Adjective
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If someone is competitive, they want very much to be the best at everything.
I don't enjoy working with her because she's so competitive.
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If something is competitive, there is competition.
There is now a competitive market for telephone services because there are more choices of companies.
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If someone or something is competitive, they have a good chance of winning or being chosen.
The shoe comes in sizes 6-11 and retails for the very competitive price of £34.99.
The right product and marketing mix can give the company a competitive advantage over its rivals.
equilibrium
Noun
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When something is at equilibrium, it is balanced and different types of influences are the same, hence having no net change.
The population of the ants in this area has reached an equilibrium.
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When an object is at equilibrium, it is at rest or continuous motion and all the forces acting on it cancels out to become zero.
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When a system is in equilibrium, the rates of the forward and backward reactions are the same, hence causing no change in the concentration of the reactants and products.
When a weak acid is added into water, an equilibrium mixture is obtained.