pulsant

adj

1. (not-comparable)pulsing

   “And although Sack had been formerly very familiar to him, he was now forced to shun it, and all strong Drinks, because they would infallibly produce a Cardialgia, a pulsant throbbing of the Heart, and labouring in his Breast: […]”

   “Like a ribbon of clotting blood, even the stones of the causeway radiated with pulsant light. Through the fog she could see hulking shapes that shambled along the uncanny roadway, dark shadows against the crimson radiance.”