Unit 14

Vocabulary Bank

1. occur

2. claim

3. remote

4. achieve

5. melt

6. reveal

7. amazing

8. complete loss

9. resistance

10. alloy

11. expenditure

12. obtain

13. score

14. retain

15. liquid

16. power plant

17. instantaneous

18. superhard

19. superfluidity

20. natural resources

21. fail

22. failure

23. brittle

24. solidify

25. defy

26. vessel

27. internal

28. overflow

29. partially

30. submerge

31. investigation

32. cryogenic propellant

33. undergo

34. refer

35. offset

36. precautions

37. load

38. launch

39. oersted

40. density

More Words to Learn

1. perpetual-motion (machine)

2. diminish

3. measurable

4. object

5. persistent currents

6. stream

7. encounter

8. friction

9. violate

10. drawback

11. bulky

12. maintain

13. unfeasible

14. circumvent

15. outlook

16. accessible

17. yield

18. evidence

19. appreciably

20. opportune time

Unit 15

Vocabulary bank

1. vie

2. outset

3. flight

4. gain universal acceptance

5. defeat

6. rectilinear propagation

7. observation

8. exceed

9. receive

10. fail

11. seem

12. describe

13. assume

14. be spread

15. evenly

16. frequency

17. correspond to

18. wavelength

19. exert

20. discontinuous

21. irregularity

22. increase

23. regard

24. complementary

25. domain

26. treat

27. doubt

28. essential

29. true

30. evidence

31. bring forward

32. support

33. sophisticated

34. network

35. versatile

36. maintain

37. enormous

38. capacity

39. fiber

40. digital system

More Words to Learn

1. voice

2. undermine

3. accommodate

4. handle data

5. operate

6. wire counterpart

7. considerable saving

8. lightguide

9. existing

10. pure glass

11. breakthrough

12. previously

13. thick

14. transparent

15. abundant

16. be immune to

17. tiny strand

18. multi-purpose

19. inner core

20. outer cladding

Unit 16

Vocabulary bank

1. self-taught man

2. childhood

3. lose (lost, lost)

4. prevent

5. acquire (knowledge)

6. come across

7. law of action and reaction

8. realize

9. constitute

10. solution

11. multi-stage rocket

12. teach (taught, taught)

13. mathematics

14. study

15. refer to

16. put forward

17. well-founded theory

18. serve

19. lay the foundation

20. subsequent

21. boundless space

22. outline

23. jet-driven flying machine

24. man-made satellite

25. serve

26. universe

27. forerunner

28. follow

29. dream

30. eternally

31. effort

32. successor

33. successful

34. manned space ship

35. radio instrument

36. grow (grew, grown)

37. equip a rocket

38. life-support system

39. bulky

40. printed circuit

More Words to Learn

1. unsuitable

2. domestic use

3. reduce the size

4. light (adj.)

5. consume power

6. reliable

7. durable

8. compress

9. assemble

10. weigh

11. behave

12. carry out

13. precision

14. launch the vehicle

15. field crew

16. mission failure

17. sacrifice

18. improvement

19. in favour of

20. requirement