Nova S45E6: English vocabulary

a person or thing that helps predict what will happen

to bite or chew something repeatedly, especially for a long time

a person whose job or role is to welcome and help guests or newcomers

to adjust a measuring instrument so it gives accurate results

things that are left over after something is used, eaten, or finished

likely to cause disagreement or split people into opposing groups

to make a problem, bad situation, or feeling worse

to an extreme degree; almost unbelievably

a device that controls the temperature in a room or building

the outward signs or objects that go with a particular role, status, or way of life

a very tiny living thing that can only be seen with a microscope

in a steep way

to scatter or cover something with small bits or drops

to overcome a difficulty or obstacle

to change into a fossil over a very long time

to hide something in your hand, especially secretly

to destroy something badly or cause it to fail completely

the act or process of becoming less clear or transparent

the fact that something changes or can be different

a person who studies weather and predicts it

to let gas out of your stomach through your mouth with a noise

to increase very quickly

not safe or steady and likely to fail, fall, or change suddenly

the act of making something less severe or less harmful

the quality of being very fierce, violent, or intense

the act of moving a boat by pushing a pole against the bottom of the water

the process that green plants use to make food from sunlight, water, and carbon dioxide

clean something with a sponge

a lucky result that seems unlikely or accidental

turned or operated by a crank

to make a substance by combining simpler substances or elements

the hard outer shell of a sea creature, often found on a beach

to flow out quickly in a large amount

to form a circle around something

the hard central part of an ear of corn

to break down naturally into simpler substances

more able or skilled than someone or something else

able to recover quickly from problems or difficult changes

a person or thing that changes something

the process of drawing or outlining with ink

to pass dry ingredients through a sieve to remove lumps or coarse bits

a line or path that turns sharply back and forth

to take food, drink, or a substance into the body by swallowing or absorbing it

to breathe air out of your lungs

causing or likely to cause arguments

to move quickly down through the air

the Fahrenheit temperature scale, where water freezes at 32° and boils at 212°

covering something completely, especially with a layer of snow, smoke, or other material

to make someone suddenly feel shocked or alarmed

a lack of movement or change; a tendency to stay the same

a match that lights when struck

money given by a government to help a business, industry, or service

dangerous because it may cause harm or trouble

to make someone feel extreme fear

covered with a protective outer layer

to follow someone closely and watch them in a threatening way

a part of a machine that spins around a central point

easy to manage, control, or deal with

something that makes a surface, line, or shape even or level

a very small living thing, such as a bacterium or virus

the fact that something is common or widespread

to move a little, or make something move a little

a strong spinning current of water that can pull things down or around

the process of removing bones from meat or fish

the ability to recover quickly after problems or hardship

to break into small pieces or parts

to reach a conclusion by thinking carefully about the facts

to make something less severe, harmful, or painful

the use or arrangement of instruments or equipment for a specific purpose, especially in science or engineering

lie, sit, or fall with your arms and legs spread out in an awkward way

in a way that is easy to notice; clearly

to a very great degree; deeply

the practice of selling unpaid bills to get money before they are paid

very bright and full of light

the business or industry of catching, raising, and selling fish

to swallow food or drink quickly, often in a noisy way