Only 1 Shortz Era entry found. Click the date to see the answer in context. See the dictionary definition.
|Wednesday, January 13, 2016||3D||Poison used on TV's "Breaking Bad"||Jeremy Newton|
10 results for RICIN from older pre-Shortz puzzles.
|Sunday, August 1, 1993||16D||Poisonous protein in the castor bean||Martin Fass||Maleska|
|Monday, April 16, 1990||58A||Toxic protein||Marjorie Pedersen||Maleska|
|Tuesday, June 14, 1988||30D||Castor-bean product||Sidney L. Robbins||Maleska|
|Sunday, January 5, 1986||18D||Toxic protein||Julian Ochrymowych||Maleska|
|Saturday, November 27, 1976||55D||Castor-bean product||Dorothea E. Shipp||Weng|
|Friday, March 19, 1971||24D||Castor-oil plant poison||Unknown||Weng|
|Thursday, March 13, 1969||64A||Castor bean derivative.||Unknown||Weng|
|Monday, February 14, 1966||28D||Toxic protein.||Unknown||Farrar|
|Tuesday, July 21, 1964||29A||Poisonous protein.||Unknown||Farrar|
|Sunday, August 1, 1948||115D||Castor-oil bean poison.||Jack Luzzatto||Farrar|