1. To convert
2. series
3. subsequent
4. monofrequential
5. to enhance
6. wavelength
7. interference
8. to contribute to
9. space exploration
10. efficient means
11. to result in
12. inquiry
13. to charge
14. discharge
15. medium
16. to confirm
17. electrical disturbances
18. distinguished
19. to inspire
20. circumference
Unit 12
Vocabulary Bank
1. instantaneous
2. image
3. to involve
4. reproduction
5. ordinary
6. concept
7. distribution
8. smooth
9. to conform
10. brightness
11. various
12. obvious
13. communication channel
14. to overcome
15. physiological limitations of sight
16. to reduce
17. at finite rate
18. to resolve
19. resoling power
20. persistence
21. vision
22. to subdivide
23. uniformly
24. to shade
25. discrete
26. entire
27. rapid
28. succession
29. slight
30. evident
31. visual representation
32. to take place
33. scene
34. to convey
35. valve
36. exploring element
37. discontinuous line
38. to correspond to
39. pattern
40. to keep in step
More Words to Learn
1. scanning pattern
2. reproducing element
3. to alter
4. to separate out
5. technological objective
6. enterprise
7. to seek (sought)
8. electric eye
9. cathode-ray tube
10. to foresee (foresaw; foreseen)
11. investment
12. to scatter
13. rivalry
14. controversy
15. related fields
16. response
17. decisive
18. outcome
19. simultaneously
20. wideband
Unit 13
Vocabulary Bank
1. evolution
2. branch
3. of Latin origin
4. tremendous
5. lightning speed
6. vacuum tube
7. response number
8. capacity
9. stand (for)
10. deal (with)
11. supervise
12. sequence
13. assign
14. run the queue of information
15. assembly line
16. approach
17. successive operation
18. handle
19. low-cost
20. digital
21. versatile
22. as far as … is concerned
23. binary-coded form
24. industry
25. oil refinery
26. measuring
27. input
28. output
29. specify
30. external
31.timing
32. bead
33. gear teeth
34. Fraction
35. resemblance
36. precision
37. decimal
38. accounting
39. record keeping
40. variable
More Words to Learn
1. overlap
2. queue (up)
3. Sufficient
4. available
5. similar to
6. allocate
7. transaction processing
8. withdrawal
9. cash terminal
10. software
11. by virtue of
12. common goal
13. objective
14. regard
15. hardware
16. cushion
17. transfer
18. execute
19. as a matter of fact
20. margin of freedom
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
Unit 17
