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Science & Engineering Crossword Puzzle

November 18, 2012

2012 Crosswords Archive

Visit the Crossword Express website - RF CafeTake a well-deserved break and try your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called "Magnum Opus") software.

2024 | 2023 |2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku


A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

December 30

December 23

December 16

December 9

December 2

November 25

November 18

November 11

November 4

October 28

October 21

October 14

October 7

September 30

September 23

September 16

September 9

September 2

August 26

August 19

August 12

August 5

July 29

July 22

July 15

July 8

July 1

June 24

June 17

June 10

June 3

May 27

May 20

May 13

May 6

April 29

April 22

April 15

April 8

April 1

March 25

March 18

March 11

March 4

February 26

February 19

February 12

February 5

January 29

January 22

January 15

January 8

January 1

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.


1. He, along with A.A. Michaelson, precisely measured the speed of light

12. Area on a shaft for accommodating a setscrew

13. Highest point

14. Asynchronous Communication Interface Adapter (abbr.)

16. Unix, Linux or Windows (abbr.)

18. Unit of length (abbr.)

20. Network department (abbr.)

22. Chemical symbol for mercury

23. Chemical symbol for holmium

24. Current-voltage phase mnemonic

26. Length times width

29. Fourth largest asteroid

31. 10 decibels

32. International phonetic alphabet letter "L"

34. 30 Hz to 300 Hz

35. Test document for verifying proper function (abbr.)

36. Slang for helicopter

37. Chemical symbol for selenium

38. Chemical symbol for gallium

40. Cord used to bundle wires into a cable

43. Chemical symbol for silicon

44. Opposite of O.D.

45. Chemical symbol for neodymium

47. Readability, Signal, and Tone (QoS report type)

49. BS__ - the degree held by many RF Cafe visitors

50. A feedback scheme to level out the receiver audio volume (abbr.)

52. Multifunctional silicon devices (abbr.)

53. Chemical symbol for thulium

54. Engineering Change Order (abbr.)

55. Akin to an EE, CE, AE, etc.

56. Miniature threaded RF connector

57. Part of a FOR loop

58. Ratio of circumference to diameter

59. 1/000 of an amp (abbr.)

60. A processed or unprocessed semiconductor substrate (pl.)

63. Chemical symbol for neon

65. Unit of inductance (abbr.)

67. Rario frequency integrated circuit (abbr.)

69. Positive voltage lead color

70. Powers pneumatic devices

72. Universal Mobile Telecommunications System

74. Type of digital filter (abbr.)

75. First man to orbit the earth - ____ Gagarin

76. Stock symbol for Conexant

78. Method of self-detection and self-fixing transmission of digital data (abbr.)

79. Chemical symbol for scandium

80. Chemical symbol for calcium

81. Equalizer (abbr.)

83. Part of this website's title

85. Type of flip-flop

86. Space or ____, in digital transmission

88. Material testing organization (abbr.)

90. Wireless phone region

91. English astronomer who discovered the world' most famous comet


1. 30 Hz to 300 Hz

2. Digital intelligence

3. Weight (abbr.)

4. Chemical symbol for radium

5. Printer resolution abbreviation

6. Akin to EEs, CEs, AEs, etc.

7. Shorthand for oxygen

8. Chemical symbol for lanthanum

9. International phonetic alphabet letter "E"

10. Compound used as the frequency determining element in microwave oscillators

11. Thin metallic shiled material around coax cable (pl.)

15. One state of matter

17. The "S" in ISM

19. Ubiquitous antenna structures along interstate highways

21. Releasing volatile products from a liquid coating such as paint

23. Aircraft sometimes referred to as a "chopper"

25. 1/6 inch printer's measure

27. One component of a complex number (abbr.)

28. Colorado Springs military school (abbr.)

29. Prefix used on many MIL-SPEC components

30. Chemical symbol for neptunium

31. Chemical symbol for beryllium

33. Chemical symbol for silver

36. Opposite of a LO

39. Length times width

41. Counter ElectroMotive Force (abbr.)

42. Institute of Electrical and Electronics Engineers

43. Move in a raster pattern

46. Decimeter (abbr.)

48. Chemical symbol for scandium

51. Abbreviation for minimum voltage

52. Network department (abbr.)

58. Geometric solid having two ends which are similar, equal, and parallel rectilinear figures, and sides which are parallelograms

59. Unit of frequency (archaic, abbr.)

61. Ticker symbol for Analog Devices

62. Radio Amateurs of Canada (abbr.)

64. Chemical symbol for europium

66. High-speed circuit-switched data (abbr.)

68. Infrared (abbr.)

69. Chemical symbol for ruthenium

71. Mate to a TX

73. 300 kHz to 3 MHz

75. 36 inches

77. Technical drawing structure

80. Software engineering tool (abbr.)

81. IC killer (abbr.)

82. Ham's code for "What is your location?"

84. ___-back transformer

87. Unit of length (abbr.)

88. Army-Navy specification prefix

89. 1/000 of an amp (abbr.)

90. Chemical symbol for chlorine

See solution below

Anritsu Test Equipment - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

1996 - 2024


Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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