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4000 Essential English Words 5 Unit 3: The Bachelor’s Lesson

4000 Essential English Words 5 Unit 3: The Bachelor’s Lesson

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Word List

  • analytic [ˌænəˈlitik] adj. 

If something is analytic, it is related to logic and reasoning.

 The analytic article criticized the new plan and presented one of its own.

  • assert [əˈsəːrt] v. 

To assert a fact or belief means to state it with confidence.

 He asserted that his mother’s cooking was better than his best friend’s.

  • bachelor [ˈbætʃələr] n. 

bachelor is an unmarried man.

 Since he was a bachelor, Jason did his shopping by himself.

  • calculus [ˈkælkjələs] n. 

Calculus is an advanced type of mathematics.

 By using calculus, scientists determined small changes in the stars’ brightness.

  • celestial [səˈlestʃəl] adj. 

If something is celestial, it is related to the sky or to outer space.

 Comets are celestial objects that are rarely seen.

  • cognitive [ˈkɒgnətiv] adj. 

If something is cognitive, it is related to learning and knowing things.

 After her physical examination, her cognitive strengths were tested.

  • collision [kəˈliʒən] n. 

collision is the act of two things hitting into each another.

 The collision between the two cars created a loud noise.

  • competent [ˈkɒmpətənt] adj. 

If someone is competent, they are able to think or act successfully.

 Competent employees are much better than unknowledgeable ones.

  • diploma [diˈploumə] n. 

diploma is a certificate proving that someone has completed their studies.

 After four years of college, Mary finally had a diploma.

  • excel [ikˈsel] v. 

To excel at a subject or activity means to be very good at it.

 Jenny excels at playing the piano.

  • geology [dʒiˈɒlədʒi] n. 

Geology is the study of the Earth’s natural structures and how they change.

 Because he studied geology, he knew how the mountains were formed.

  • harness [ˈhɑːrnis] v. 

To harness something means to control and use it, usually to make energy.

 The sails harness the wind in order to move.

  • intellect [ˈintəlekt] n. 

An intellect is a person’s ability to understand things easily.

 She was known for her quick and strong intellect as well as her beauty.

  • keen [kiːn] adj. 

If someone is keen, they are intelligent.

 Only the keenest of students could have solved that math problem.

  • mythology [miˈθɒlədʒi] n. 

Mythology is a group of stories from a particular country or region.

 Egyptian mythology was the basis for a religion.

  • physiology [ˌfiziˈɒlədʒi] n. 

Physiology is the study of the various parts of living things.

 His work in physiology helped him understand how the human body works.

  • radioactive [reidiouˈӕktiv] adj. 

If something is radioactive, then it lets out, or is related to, radiation.

 Radioactive materials can be very bad for anyone’s health.

  • relativity [ˌreləˈtivəti] n. 

Relativity is a set of ideas about time and space developed by Albert Einstein.

 Relativity teaches that light travels at the same speed in the universe.

  • sociology [ˌsousiˈɒlədʒi] n. 

Sociology is the study of human society, its organizations, and problems.

 Sociology teaches that people’s problems are a result of their society.

  • theoretical [θiəˈretikəl] adj. 

If something is theoretical, it is based on theory rather than experience.

 His conclusion was only theoretical and not meant to be publicized.

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