Look up: quantal

1. quantal
   [adj] - (physics) of or relating to a quantum or capable of existing in only one of two states
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. quantal
   Describing a condition that can be expressed only as occurring or not occurring, such as death. [2]
   Found on http://sis.nlm.nih.gov/enviro/iupacgloss
   
   
3. quantal
   the response of a subject to a stimulus is said to be quantal when the only observable,or the only recorded,consequence of applying the stimulus is the presence or absence of a certain reaction,e.g.death.A quantal response may be expressed as a two valued variate taking values 0 and 1 Category: Statistics
   Found on http://www.mijnwoordenboek.nl/definition
   
   
4. quantal
   quantized adjective of or relating to a quantum or capable of existing in only one of two states
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
5. quantal
   quantal In science, used to describe something that at a given instant can be found in one of two possible states.
   Found on http://www.wordinfo.info/words/index/inf