Englishfor English speakers
formation
Noun
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Something having structure or form.
The chorus boys and girls were put through a variety of formations in the new Andrew Lloyd Webber musical.
The band members created many interesting formations during half-time.
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The act of building a group or structure.
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A rock or face of a mountain.
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A grouping of military units or smaller formations under a command, such as a brigade, division, wing, etc.
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An arrangement of moving troops, ships, or aircraft, such as a wedge, line abreast, or echelon. Often "in formation".
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The process of influencing or guiding a person to a deeper understanding of a particular vocation.
gas
Noun
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A gas is a substance, such as air, that is not liquid or solid.
The sun is a giant ball of gas.
The carbon dioxide gas in Coke and other soft drinks gives them their bubbles.
The workers appear to have been killed by a poisonous gas.
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Gas is a substance such as methane, ethane, propane, or butane that is burned for heat or to make electricity.
Our house has gas-fired central heating.
In the winter, we pay more for gas and electricity.
Alberta's economy is based largely on oil and gas.
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In North America, gas is short for gasoline, a liquid that is used by cars.
A small car like mine holds about 40 litres of gas.
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In North America, the gas is the gas pedal (accelerator) in a car or truck.
We're in a hurry, so hit the gas.
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In North America, if you have gas, you have the need to fart or burp a lot.
gas
Verb
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If you gas a person or animal, you poison it or put it to sleep with gas.
The mice were gassed and then cut open to examine any changes.
My friend was gassed at the dentist before getting his tooth pulled.
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If you gas up a vehicle, you put fuel in it.
As soon as the planes land, we gas them up and they're ready to go again.
oil
Noun
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Oil is a liquid that is burned to create heat or used in machines to make them run well.
Gas and oil are essential to running a car.
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Oil is a liquid made of fat that is used for cooking.
Cook the potatoes in oil.
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An oil is a painting made of oil paint.
oil
Verb
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If you oil something, you put clear oil on a machine to make it run well.
She oiled the parts of the gun.
ratio
Noun
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A ratio is the comparison in size or number between two things. It is written mathx:y/math and read mathx/math to mathy/math. It is the same as the fraction math\frac {x} {y}/math.
The ratio of men's jobs to women's is 8 to 1.
But Germany now has one of the highest ratios of spending to GDP in the European Community.
The low student/teacher ratio makes this a great school.