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Vocabulary

Unit 21

Word list

attack

v. To attack something is to hurt or damage it.

She watched the lizard attack its prey.

breast

n. A breast is one of the two soft parts on a woman’s chest.

She was diagnosed with breast cancer.

cancer

n. Cancer is a serious disease that causes cells to grow abnormally.

He was a leading scientist in finding a cure for cancer.

cancerous

adj. Cancerous cells are the result of cancer.

The exam found cancerous cells in the patient’s blood.

cell

n. A cell is the smallest part of a living thing that can live by itself.

A red blood cell carries oxygen.

cigarette

n. A cigarette is a thinly wrapped paper tube filled with tobacco that is smoked.

Cigarette smoking is terrible for your health.

code

n. A code is a set of symbols used to hide or read a message.

She used the code to solve the puzzle.

cure

n. A cure is a medical treatment to make a sickness go away.

Scientists are still working on finding a cure for diabetes.

destruction

n. To damage something is to cause its destruction.

The wildfires left the forest in a state of destruction.

DNA

n. DNA is the short form of deoxyribonucleic acid.

The police sometimes use DNA to solve crime.

extensive

adj. Extensive means large in size or amount.

The game drew extensive media coverage.

female

adj. Female refers to women or girls.

She is the only female student in her class with short hair.

furthermore

adj. Furthermore means more information will be added.

She’s clever, and furthermore, she is not afraid of work.

gene

n. A gene controls what it looks like, how an organism grows, and how it develops.

Gene therapy is sometimes used to treat an illness.

inherit

v. To inherit is to receive something that is passed down from a relative.

All the girls in my family inherit red hair from my great-grandmother.

link

n. A link is a connection to something else.

The two lines in the poem share a common link.

male

adj. Male refers to men or boys.

He was the only male in the store.

population

n. A population is all the people living in an area.

The population of our city is steadily growing.

result

n. A result happens because of something else.

The result of her experiment was surprising.

sugar

n. Sugar comes from plants and is used to make food taste sweet.

She added extra sugar to her tea.