By Guus , 6 April 2007 chimera a chimera is an animal that has two or more different populations of genetically distinct cells that originated in different zygotes
By Guus , 5 April 2007 behoove to be appropriate or necessary. "It behooves us to reflect on this matter".
By Guus , 4 April 2007 tarmac a type of highway surface made with tar. Often also used to refer to airport ramp, although technically incorrect