migrative

A satisfactory understanding of the mode of binding of essentially every ligand to a metal is now available, and a beginning has been made toward understand ing organometallic reactivity with the exploration of potential energy surfaces for ethylene insertion, reductive elimination and alkyl migrative insertion reactions.

Roald Hoffmann - Autobiography 1982

And indeed, in all points except one I was as if stupefied more or less, and flying on like those migrative swallows of Professor Owen, after my strength was done and coma or dream had supervened, till the Mediterranean Sea was crossed!

Letters and Memorials of Jane Welsh Carlyle 1883

Six years ago a NASA probe disintegrated upon on re-entry to the Earths atmosphere and deposited an alien species spores across the central cartography of the American continent, these seeds consequently partitioning the northern United States from Mexico with an infected zone that is perilous to traverse due to a population of deadly, exoteric immigrants that have contaminated this new dominion, the bacteria having evolved into barely glimpsed behemoths whose migrative morphology and hostile behaviour is still under human dissection.

Minty's Menagerie mintyblonde 2010