Obstruct, ob-strukt′, v.t. to block up, to hinder from passing, to retard.—ns. Obstruc′ter, Obstruc′tor, one who obstructs; Obstruc′tion, act of obstructing: that which hinders progress or action: opposition, esp. in a legislative assembly; Obstruc′tionist.—adj. Obstruc′tive, tending to obstruct: hindering.—n. one who opposes progress.—adv. Obstruct′ively.—adj. Ob′struent, obstructing: blocking up.—n. (med.) anything that obstructs, esp. in the passages of the body. [L. obstruĕre, obstructum—ob, in the way of, struĕre, structum, to pile up.]
Obtain, ob-tān′, v.t. to lay hold of: to hold: to procure by effort: to gain: to keep possession of.—v.i. to be established: to continue in use: to become customary or prevalent: to hold good: (rare) to succeed.—adj. Obtain′able, that may be obtained, procured, or acquired.—ns. Obtain′er; Obtain′ment; Obten′tion, procurement.—Obtain to (Bacon), to attain to. [Fr.,—L. obtinēre—ob, upon, tenēre, to hold.]
Obtected, ob-tek′ted, adj. covered, protected by a chitonous case, as the pupæ of most flies. [L. obtegĕre, obtectum, to cover over.]
Obtemper, ob-tem′per, v.t. to yield obedience to (with to, unto). [L. obtemperāre.]
Obtend, ob-tend′, v.t. (obs.) to oppose: to allege. [L. obtendĕre, to stretch before.]
Obtest, ob-test′, v.t. to call upon, as a witness: to beg for.—v.i. to protest.—n. Obtestā′tion, act of calling to witness: a supplication. [L. obtestāri, to call as a witness—ob, before, testis, a witness.]
Obtrude, ob-trōōd′, v.t. to thrust in upon when not wanted: to urge upon against the will of.—v.i. to thrust one's self or be thrust upon.—ns. Obtrud′er; Obtrud′ing, Obtru′sion, a thrusting in or upon against the will of.—adj. Obtrus′ive, disposed to thrust one's self among others.—adv. Obtrus′ively.—n. Obtrus′iveness. [L. obtrudĕre—ob, before, trudĕre, trusum, to thrust.]
Obtruncate, ob-trung′kāt, v.t. to cut or lop off. [L. obtruncāre, -ātum—ob, before, truncāre, cut off.]
Obtund, ob-tund′, v.t. to dull or blunt, to deaden.—adj. Obtund′ent, dulling.—n. an oily mucilage for sores: an application to deaden the nerve of a tooth. [L. obtundĕre, to strike upon.]
Obturate, ob′tū-rāt, v.t. to close or stop up.—ns. Obturā′tion, the act of stopping up, esp. in gunnery, of a hole to prevent the escape of gas; Ob′tūrātor, that which stops or closes up, as a device of this kind in gunnery, &c.: in surgery, an artificial plate for closing an abnormal aperture or fissure, as with cleft palate, &c., or for distending an opening, as in lithotomy: any structure that shuts off a cavity or passage, esp. in anatomy, the membrane vessels, &c., closing the obturator foramen, or thyroid foramen, a large opening or fenestra in the anterior part of the hip-bone. [L. obturāre, -ātum, to stop up.]