4000 english words volume 5-ebook (1)

(DIEM PHUONG6u7g5j) #1

acid [eesid] n.


An acid is a chemical that can burn or dissolve other substances.
—* In chemistry class, we mixed two acids together and watched the reaction.


administration [adminastreijan] n.
An administration is the group of people who manage a company or organization.
—► She hoped she could be promoted to a job in the administration.

administrative [adminastreitiv] adj.
Administrative describes anything related to managing a company or organization.
-» I work as an administrative assistant to the owner of the company.

biotechnology [baiouteknalad 3 i] n.
Biotechnology is the use of living parts, such as cells, in industry and technology.
—► Researchers at the biotechnology company use bacteria to make medicine.

cholesterol [kalestaroul] n.
Cholesterol is a substance in fat, tissues, and blood of all animals.
-» When people have too much cholesterol, they are at a high risk for heart problems.

coalition [koualijan] n.
A coalition is a group of people or organizations working for a common purpose.
-* The companies formed a coalition to make trade less expensive.

deceptive [diseptiv] adj.
When something is deceptive, it encourages one to believe something that is false.
—► The scary-looking man’s appearance is deceptive, but he is actually very nice.

diabetes [daiabf:tis] n.
Diabetes is a medical condition where a person has too much sugar in their blood.
—» Overweight people are more likely to suffer from diabetes than slimmer ones.

eliminate [ilimaneit] V.
To eliminate something that is unwanted means to completely remove it.
-» Wearing a seatbelt eliminates some of the dangers of driving a car.

e r o s i o n [irou 3 an] n.
Erosion is the destruction of rock or soil due to flowing water or weather.
—► Canyons are formed because rivers of fast-moving water caused erosion.
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