As adjectives the difference between ectatic and ecbatic
is that ectatic is of or relating to ectasia while ecbatic is denoting a mere result or consequence.
ectatic
English
Adjective
(-)
(medical) Of or relating to ectasia.
References
Webster's Third New International Dictionary, Unabridged . Merriam-Webster, 2002. http://unabridged.merriam-webster.com
unabridged.merriam-webster.com (19 Dec 2012)
ecbatic
English
Adjective
(-)
(grammar) Denoting a mere result or consequence.
Usage notes
* Distinguished from (
telic), which denotes intention or purpose.
(
Webster 1913)