Englishfor English speakers
gradation
—
noun
(= step)
relative position in a graded series
always a step behind
subtle gradations in color
keep in step with the fashions
—
noun
the act of arranging in grades
—
noun
(= grade)
a degree of ablaut
of
Preposition
—
Made using.
It is a house of cards.
oil
Noun
—
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.
—
Oil is a liquid made of fat that is used for cooking.
Cook the potatoes in oil.
—
An oil is a painting made of oil paint.
oil
Verb
—
If you oil something, you put clear oil on a machine to make it run well.
She oiled the parts of the gun.
density
Noun
—
Density is how much stuff fits in a particular area.
The population density of Singapore is one of the highest in the world.
—
The density of a material is how closely packed its atoms are.
The density of water is higher than the density of steam.