Science & Engineering Crossword Puzzle
November 18, 2012
Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.
2012 Crosswords Archive
Visit the Crossword Express website - RF CafeTake a break from the drudgery by trying 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.

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.


ACROSS DOWN
ACROSS
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		 DOWN
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