ingression

== English == === Etymology === From ingress +‎ -ion. === Pronunciation === IPA(key): /ɪnˈɡɹɛʃən/ === Noun === ingression (countable and uncountable, plural ingressions) The act or process of entering or intruding. (metaphysics) The process by which a potentiality enters into actuality. (biology) The inward migration of cells from the blastula during gastrulation. ==== Derived terms ==== ==== Related terms ==== === Anagrams === nigrosines