| plain | To lament; to bewail; to complain. "We with piteous heart unto you pleyne." (Chaucer) Origin: OE. Playne, pleyne, fr. F. Plaindre. See Plaint. 1. Without elevations or depressions; flat; level; smooth; even. See Plane. "The crooked shall be made straight, and the rough places plain." (Isa. Xl. 4) 2. Open; clear; unencumbered; equal; fair. "Our troops beat an army in plain fight." (Felton) 3. Not intricate or difficult; evident; manifest; obvious; clear; unmistakable. "'T is a plain case." 4. Void of extraneous beauty or ornament; without conspicious embellishment; not rich; simple. Not highly cultivated; unsophisticated; free from show or pretension; simple; natural; homely; common. "Plain yet pious Christians." . "The plain people." . Free from affectation or disguise; candid; sincere; artless; honest; frank. "An honest mind, and plain." Not luxurious; not highly seasoned; simple; as, plain food. Without beauty; not handsome; homely; as, a plain woman. Not variegated, dyed, or figured; as, plain muslin. Not much varied by modulations; as, a plain tune. Plain battle, open battle; pitched battle. Plain chant, molding of which the surfaces are plain figures. Plain sewing, sewing of seams by simple and common stitches, in distinct from fancy work, embroidery, etc.; distinguished also from designing and fitting garments. Plain song. The Gregorian chant, or canto fermo; the prescribed melody of the Roman Catholic service, sung in unison, in tones of equal length, and rarely extending beyond the compass of an octave. A simple melody. Plain speaking, plainness or bluntness of speech. Synonym: Level, flat, smooth, open, artless, unaffected, undisguised, frank, sincere, honest, candid, ingenuous, unembellished, downright, blunt, clear, simple, distinct, manifest, obvious, apparent. See Manifest. Origin: F, level, flat, fr. L. Planus, perhaps akin to E. Floor. Cf. Llano, Piano, Plan, Plane level, a level surface. Source: Websters Dictionary (01 Mar 1998) |
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| plain film | A radiograph made without use of a contrast medium. (05 Mar 2000) |
| plain-hearted | Frank; sincere; artless. Plain"-heartedness. Source: Websters Dictionary (01 Mar 1998) |
| bitewing radiograph | Intraoral dental film adapted to show the coronal portion and cervical third of the root of the teeth in near occlusion; especially useful in detecting interproximal caries and determining alveolar septal height. (05 Mar 2000) |
| radiograph | <dentistry> Another name for an X-ray (08 Jan 1998) |
| panoramic radiograph | A radiographic view of the maxillae and mandible extending from the left to the right glenoid fossae. (05 Mar 2000) |
| maxillary sinus radiograph | A radiographic frontal view of the maxillary sinuses, orbits, nasal structures and zygomas; permits direct comparison of the sides. Synonym: Waters' view radiograph. (05 Mar 2000) |
| cephalometric radiograph | A radiographic view of the jaws and skull permitting measurement. Synonym: cephalogram. (05 Mar 2000) |
| periapical radiograph | A radiograph demonstrating tooth apices and surrounding structures in a particular intraoral area. (05 Mar 2000) |
| Waters' view radiograph | A radiographic frontal view of the maxillary sinuses, orbits, nasal structures and zygomas; permits direct comparison of the sides. Synonym: Waters' view radiograph. (05 Mar 2000) |
| scout radiograph | A radiograph exposed before contrast medium is given, such as the preliminary film for an angiogram, urogram, or barium contrast gastrointestinal examination. Synonym: scout radiograph. (05 Mar 2000) |
| submental vertex radiograph | A radiographic projection showing the base of the skull, positions of the mandibular condyles, and zygomatic arches. Synonym: base view, submental vertex radiograph. (05 Mar 2000) |
| submentovertex radiograph | A radiographic projection showing the base of the skull, positions of the mandibular condyles, and zygomatic arches. Synonym: base view, submental vertex radiograph. (05 Mar 2000) |
| decubitus radiograph | A radiograph of a recumbent subject on his side, made in the frontal projection with a horizontal X-ray beam. Synonym: lateral decubitus radiograph. (05 Mar 2000) |
| occlusal radiograph | <dentistry> The only X-ray that is taken without an X-ray holder. The X-ray film for this procedure is shaped like a large biscuit and the patient is asked to bite on the X-ray film and the top of the X-ray machine is positioned over your nose for a maxillary occlusal X-ray or under your chin for a mandibular occlusal film. The X-ray displays the entire arch. (08 Jan 1998) |