Lesson 175 — Academic Word List: Lesson 25

Part 1: Watch the video 2-3 times

Part 2: Match the Words with their Definitions

a. gradually wear away or destroy by natural forces, such as water or wind.
b. roughly calculate or judge the value, number, quantity, or extent of something.
c. a set of moral principles governing an individual’s behavior.
d. equal in value, amount, function, meaning, etc., to something else.
e. form an idea of the amount, number, or value of; assess.
f. all of the money and property owned by a particular person at death.
g. to provide with necessary items or tools for a particular purpose.
h. relating to a population subgroup with a common national or cultural tradition.
i. a mistake or incorrect action caused by human failure.
j. set up on a firm or permanent basis.


  1. equivalent
  2. estimate
  3. estate
  4. ethnic
  5. ethic
  6. evaluate
  7. equip
  8. error
  9. establish
  10. erode

Correct matches:

  1. d
  2. b
  3. f
  4. h
  5. c
  6. e
  7. g
  8. i
  9. j
  10. a

Part 3: Vocabulary in Context: Sentences

  1. The new laboratory is fully equipped with state-of-the-art equipment.
  2. Learning a foreign language is not exactly equivalent to mastering it fluently.
  3. Over time, the constant exposure to harsh weather eroded the ancient stone statues.
  4. The scientist discovered an error in his calculations, leading to a major breakthrough.
  5. The company plans to establish a new branch in the bustling city center.
  6. His family has owned the estate for generations, passing it down through the years.
  7. The experts estimate that the project will be completed within six months.
  8. Following a strict work ethic is crucial for success in any profession.
  9. The neighborhood is known for its diverse ethnic communities living harmoniously.
  10. It’s important to thoroughly evaluate all options before making a decision.

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