To alleviate pain or suffering means to make it less intense or severe.
She needed something to alleviate the pain in her back.
astrology [ǝstrálədzi] n.
Astrology is the study of the stars in the belief that they influence people's lives.
→ Jack, who studies astrology, believes that the stars can predict the future.
differentiate [diferenfieit] v.
To differentiate things or people is to show the difference between them.
It was hard to differentiate between the identical twins.
To disrupt something or someone is to prevent them from working.
→ The loud crash disrupted the class lecture.
equation [i(:)kweizən] n.
An equation is a math operation to determine the value of something.
→ I used the Pythagorean theorem to solve the equation.
To err means to make a mistake.
The pilot erred in his estimate of the time it would take to make the trip.
erroneous [irouniǝs] adj.
When something is erroneous, it is incorrect or only partly correct.
The child held the erroneous belief that time machines were real.
If people or things are frantic, they behave in a wild way because they are frightened
The cat became frantic when I tried to give it a bath.
The hull of a boat or tank is the main body of it.
→ After the wreck at sea, the ship's hull was the last part to sink.
inadvertent [inədvá:rtənt] adj.
When an action is inadvertent, it is done without realizing what you are doing.
She made an inadvertent error when she knocked over the nail polish.
To improvise something is to do it with whatever is available or without planning.
→ There was no meat for the pizza, so we improvised with what was in the fridge.
The latitude of a place is its distance from the equator.
The device was able to tell the traveler his exact latitude.
The old mariner used his telescope to find the shore.
multitude [mAltitjù:d] n.
A multitude of things or people is a very large number of them.
A multitude of people were waiting at the airport.
A nuisance is a person or thing that is annoying or causes a lot of problems.
The teenager considered her noisy little brothers to be quite a nuisance.
permanence [pe:rmənəns] n.
The permanence of something is its ability to last forever.
Poor results will threaten the permanence of the new teaching system.
To revolve around something is to keep it as the main feature or focus.
→ My life revolves around sports.
To soothe means to calm someone who is angry or upset.
→ The mother soothed her crying baby by rocking him in her arms.
If someone is stranded, they are prevented from leaving a place.
When the plane left, my sister and I were stranded in China.
When something is volatile, it is likely to change suddenly and unexpectedly.
The volatile volcano might explode at any moment.