CIDE DICTIONARY

pore, n. [F., fr. L. porus, Gr. a passage, a pore. See Fare, v.].

One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc. [1913 Webster]
A minute opening or passageway; an interstice between the constituent particles or molecules of a body; as, the pores of stones. [1913 Webster]

pore, v. i. [OE. poren, of uncertain origin; cf. D. porren to poke, thrust, Gael. purr.].

To look or gaze steadily in reading or studying; to fix the attention; to be absorbed; -- often with on or upon, and now usually with over. Shak. [1913 Webster]

"The eye grows weary with poring perpetually on the same thing." [1913 Webster]

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OXFORD DICTIONARY

pore, n. esp. Biol. a minute opening in a surface through which gases, liquids, or fine solids may pass.

pore, v.intr. (foll. by over)
1 be absorbed in studying (a book etc.).
2 meditate on, think intently about (a subject).

Etymology

ME pure etc. perh. f. OE purian (unrecorded): cf. PEER(1)

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THESAURUS

pore

Eustachian tube, Fallopian tube, aperture, avenue, blowhole, broaching, canal, cavity, channel, chasm, check, chute, clearing, cleft, con, crack, debouch, disclosure, door, duct, egress, emunctory, escape, estuary, examine, exhaust, exit, fenestra, fistula, floodgate, flume, fontanel, foramen, gap, gape, gat, go over, gulf, hiatus, hole, hollow, inlet, interval, intestines, lacuna, laying open, leak, loophole, meatus, opening, opening up, orifice, ostium, out, outcome, outfall, outgate, outgo, outlet, oviduct, passageway, perforation, peruse, pore over, port, read, sally port, salpinx, scrutinize, slot, sluice, space, spiracle, split, spout, stoma, study, tap, thoracic duct, throwing open, uncorking, unstopping, ureter, urethra, vagina, vas, vent, ventage, venthole, vessel, vomitory, way out, weir, yawn

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ROGET THESAURUS

pore

Opening

N opening, hole, foramen, puncture, perforation, fontanel, transforation, pinhole, keyhole, loophole, porthole, peephole, mousehole, pigeonhole, eye of a needle, eyelet, slot, opening, aperture, apertness, hiation, yawning, oscitancy, dehiscence, patefaction, pandiculation, chasm, embrasure, window, casement, abatjour, light, sky light, fan light, lattice, bay window, bow window, oriel, dormer, lantern, outlet, inlet, vent, vomitory, embouchure, orifice, mouth, sucker, muzzle, throat, gullet, weasand, wizen, nozzle, placket, portal, porch, gate, ostiary, postern, wicket, trapdoor, hatch, door, arcade, cellarway, driveway, gateway, doorway, hatchway, gangway, lich gate, way, path, thoroughfare, channel, passage, passageway, tube, pipe, water pipe, air pipe, vessel, tubule, canal, gut, fistula, adjutage, ajutage, ostium, smokestack, chimney, flue, tap, funnel, gully, tunnel, main, mine, pit, adit, shaft, gallery, alley, aisle, glade, vista, bore, caliber, pore, blind orifice, fulgurite, thundertube, porousness, porosity, sieve, cullender, colander, cribble, riddle, screen, honeycomb, apertion, perforation, piercing, terebration, empalement, pertusion, puncture, acupuncture, penetration, key, opener, master key, password, combination, passe- partout, open, perforated, perforate, wide open, ajar, unclosed, unstopped, oscitant, gaping, yawning, patent, tubular, cannular, fistulous, pervious, permeable, foraminous, vesicular, vasicular, porous, follicular, cribriform, honeycombed, infundibular, riddled, tubulous, tubulated, piped, tubate, opening, aperient, Int, open sesame!.

Egress

N egress, exit, issue, emersion, emergence, outbreak, outburst, eruption, proruption, emanation, egression, evacuation, exudation, transudation, extravasation, perspiration, sweating, leakage, percolation, distillation, oozing, gush, outpour, outpouring, effluence, effusion, effluxion, drain, dribbling, defluxion, drainage, outcome, output, discharge, export, expatriation, emigration, remigration, debouch, debouche, emunctory, exodus, emigrant, outlet, vent, spout, tap, sluice, floodgate, pore, vomitory, outgate, sally port, way out, mouth, door, path, conduit, airpipe, effused, outgoing.

Conduit

N conduit, channel, duct, watercourse, race, head race, tail race, abito, aboideau, aboiteau, bito, acequia, acequiador, acequiamadre, arroyo, adit, aqueduct, canal, trough, gutter, pantile, flume, ingate, runner, lock-weir, tedge, vena, dike, main, gully, moat, ditch, drain, sewer, culvert, cloaca, sough, kennel, siphon, piscina, pipe, funnel, tunnel, water pipe, waste pipe, emunctory, gully hole, artery, aorta, pore, spout, scupper, adjutage, ajutage, hose, gargoyle, gurgoyle, penstock, weir, flood gate, water gate, sluice, lock, valve, rose, waterworks, pipeline, vascular.

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