Subjected to tension, literally or figuratively; strained.
The Century Dictionary (Public Domain)
Use "ectenic" in a sentence
"Psychod and ectenic force of Thury; the psychic force of Sergeant Cox and Mr. Crookes; the atmospheric magnetism of some naturalists; galvanism; and finally, electricity, are but various names for many different manifestations, or effects of the same mysterious, all-pervading cause -- the Greek"