plural of introductor

(obsolete) Someone who introduces someone or something.

plural of introducement

(obsolete) introduction

Flexed or bent inward.

plural of introcession

(medicine) A depression or inward sinking of parts.

(archaic) A female who brings about an introduction.

(ecology) A species living outside its native distributional range which has arrived there by human activity, directly or indirectly, deliberately or accidentally.

(computing) A sorting algorithm that begins with quicksort and switches to heapsort when the recursion depth exceeds a level based on (the logarithm of) the number of elements being sorted.