11 Shortz-era entries found. Click any date for context. Repeated clues show (number of occurrences). See the dictionary definition.
|Thursday, October 24, 2013||60A||Uranium 235, e.g.||Peter A. Collins|
|Tuesday, May 3, 2011||43D||Member of a fictional Springfield baseball team||Kevan Choset|
|Thursday, April 24, 2008||2D||Elemental form (2)||Michael Langwald|
|Monday, December 26, 2005||43D||Heavy hydrogen, e.g. (2)||Allan E. Parrish|
|Friday, May 14, 2004||23A||Elemental form (2)||Robert H. Wolfe|
|Wednesday, March 17, 2004||12D||Chemical relative||A. J. Santora|
|Thursday, August 28, 2003||4D||Chemist's study||Elizabeth C. Gorski|
|Sunday, June 9, 2002||72A||Carbon-14, e.g.||Randolph Ross|
|Sunday, July 15, 2001||88A||Heavy hydrogen, e.g. (2)||Elizabeth C. Gorski|
|Sunday, March 28, 1999||59A||Element form||Cathy Millhauser|
|Tuesday, February 16, 1999||9D||U-235 or C-14, e.g.||Randy Sowell|
1 result for ISOTOPE from Variety puzzles.
|September 21, 2003||acrostic||C||Deuterium, to hydrogen, e.g.||Emily Cox and Henry Rathvon|
8 results for ISOTOPE from older pre-Shortz puzzles.
|Tuesday, April 19, 1988||12D||U-235 is one||Nancy Joline||Maleska|
|Sunday, July 5, 1987||99D||U 235, e.g.||Barry L. Cohen||Maleska|
|Thursday, December 25, 1986||44D||Nuclide||Norman Wizer||Maleska|
|Monday, April 7, 1986||53A||Carbon 14, for one||Virginia L. Yates||Maleska|
|Saturday, March 15, 1986||27A||Cyclotron item||Patterson Pepple||Maleska|
|Monday, August 13, 1984||54A||U 235 is one||Edward Bobb||Maleska|
|Friday, November 4, 1983||29A||Nuclide||Brett A. Blaylock||Maleska|
|Sunday, January 18, 1981||83D||Ionium, e.g.||William Lutwiniak||Maleska|