An insertion into a calendar.

synonym: intercalation.

Roget 706: prevention, preclusion, obstruction, stoppage; embolus, embolism [Med.]; infarct [Med.]; interruption, interception, interclusion^†; hindrance, impedition^†; retardment^†, retardation; embarrassment, oppilation^†; coarctation^†, stricture, restriction; restraint etc. 751; inhibition etc. 761; blockade etc. (closure) 261.    interference, interposition; obtrusion; discouragement, discountenance.    impediment, let, obstacle, obstruction, knot, knag^†; check, hitch, contretemps, screw loose, grit in the oil.    bar, stile, barrier; [barrier to vehicles] turnstile, turnpike; gate, portcullis.    beaver dam; trocha^†; barricade etc. (defense) 717; wall, dead wall, sea wall, levee breakwater, groyne^†; bulkhead, block, buffer; stopper etc. 263; boom, dam, weir, burrock^†.    drawback, objection; stumbling-block, stumbling-stone; lion in the path, snag; snags and sawyers.    encumbrance, incumbrance^†; clog, skid, shoe, spoke; drag, drag chain, drag weight; stay, stop; preventive, prophylactic; load, burden, fardel^†, onus, millstone round one's neck, impedimenta; dead weight; lumber, pack; nightmare, Ephialtes^†, incubus, old man of the sea; remora.    difficulty etc. 704; insuperable etc. 471; obstacle; estoppel [Law]; ill wind; head wind etc. (opposition) 708; trammel, tether etc. (means of restraint) 752; hold back, counterpoise.    [person who hinders] damper, wet blanket, hinderer, marplot, killjoy; party pooper [Coll.]; party crasher, interloper.    trail of a red herring; opponent etc. 710.    ... show more

Roget 228: interposition, interjacence^†, intercurrence^†, intervenience^†, interlocation^†, interdigitation, interjection, interpolation, interlineation, interspersion, intercalation.    [interposition at a fine-grained level] interpenetration; permeation; infiltration.    [interposition by one person in another's affairs, at the intervenor's initiative] intervention, interference; intrusion, obtrusion; insinuation.    insertion etc. 300; dovetailing; embolism.    intermediary, intermedium^†; go between, bodkin^†, intruder, interloper; parenthesis, episode, flyleaf.    partition, septum, diaphragm; midriff; dissepiment^†; party wall, panel, room divider.    halfway house.    ... show more

Dutch: tussenvoeging
Polish: insercja, interkalacja

Occlusion of a blood vessel by an embolus (a loose clot or air bubble or other particle).

Dutch: embolie