Impaction1. (n.) The driving of one fragment of bone into another so that the fragments are not movable upon each other; as, impaction of the skull or of the hip.
2. (n.) An immovable packing; (Med.), a lodgment of something in a strait or passage of the body; as, impaction of the fetal head in the strait of the pelvis; impaction of food or feces in the intestines of man or beast.
Thesaurus Entries
access, adit, admission, admittance, air lock, anesthetize, aperture, appearance, approach, arrival, attract, becharm, beginning, beguile, bewitch, captivate, carry away, cast a spell, channel, charm, coming, coming in, commencement, conduit, corridor, course, delectate, delight, ditch, door, doorway, dope, drug, duct, egress, embedment, enchant, encroachment, enrapture, enravish, enthrall, entrance hall, entranceway, entree, entrenchment, entry, entryway, exit, fascinate, foyer, freak out, galilee, gangplank, gangway, gate, gladden, graft, grafting, hall, hypnotize, impaction, impactment, imparadise, impingement, implantation, import, importation, importing, imposition, in, income, incoming, incursion, infatuate, infiltration, infixion, influx, infringement, infusion, ingoing, ingress, ingression, injection, inlet, inoculation, input, inroad, insertion, insinuation, intake, interference, interjection, interloping, interpenetration, interpolation, interposition, interposure, interruption, intervention, intrigue, introduction, introgression, intromission, intrusion, invasion, irruption, knock dead, knock out, leakage, lobby, lull to sleep, magnetize, means of access, mesmerize, narcotize, narthex, obtrusion, open arms, open door, opening, overpower, passage, passageway, penetration, percolation, perfusion, please, portal, portico, propylaeum, put to sleep, put under, ravish, reception, rejoice, right of entry, rock to sleep, sedate, seepage, send, slay, spell, spellbind, start, stoa, tessellation, threshold, thrill, tickle, tickle pink, titillate, trance, transplant, transplantation, transport, trench, trespass, trespassing, trough, troughing, troughway, tunnel, unlawful entry, vamp, vestibule, way, way in, witch, wow