| ultimate | 1. Farthest; most remote in space or time; extreme; last; final. "My harbor, and my ultimate repose." (Milton) "Many actions apt to procure fame are not conductive to this our ultimate happiness." (Addison) 2. Last in a train of progression or consequences; tended toward by all that precedes; arrived at, as the last result; final. "Those ultimate truths and those universal laws of thought which we can not rationally contradict." (Coleridge) 3. Incapable of further analysis; incapable of further division or separation; constituent; elemental; as, an ultimate constituent of matter. <chemistry> Ultimate analysis, organic analysis. See Organic. Ultimate belief. See Belief. <mathematics> Ultimate ratio, the limiting value of a ratio, or that toward which a series tends, and which it does not pass. Synonym: Final, conclusive. See Final. Origin: LL. Ultimatus last, extreme, fr. L. Ultimare to come to an end, fr. Ultimus the farthest, last, superl. From the same source as ulterior. See Ulterior, and cf. Ultimatum. Source: Websters Dictionary (01 Mar 1998) |
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| ultimate analysis | A description of a fuel's elemental composition as a percentage of the dry fuel weight. (05 Dec 1998) |
| ultimate principle | One of the chemical elements. (05 Mar 2000) |
| ultimate strength | The maximum stress achieved prior to failure of a component on a single application of the load. (05 Mar 2000) |
| alveolonasal line | A line connecting the alveolar point and the nasion. (05 Mar 2000) |
| Amberg's lateral sinus line | A line dividing the angle formed by the anterior edge of the mastoid process and the temporal line. (05 Mar 2000) |
| anocutaneous line | The line between the simple columnar epithelium of the rectum and the stratified epithelium of the anal canal. Synonym: linea anocutanea, anocutaneous line, dentate line. (05 Mar 2000) |
| anterior axillary line | A vertical line extending inferiorly from the anterior axillary fold. Synonym: linea axillaris anterior, linea preaxillaris, preaxillary line. (05 Mar 2000) |
| anterior junction line | Radiographic projection of the mediastinal tissue septum between the upper lobes behind the sternum. (05 Mar 2000) |
| anterior median line | The line of intersection of the midsagittal plane with the anterior surface of the body. Synonym: linea mediana anterior. (05 Mar 2000) |
| arcuate line | An arching or bow-shaped line. See: arcuate line of ilium, arcuate line of rectus sheath. Synonym: linea arcuata. (05 Mar 2000) |
| arcuate line of ilium | The iliac portion of the linea terminalis of the bony pelvis. Synonym: linea arcuata ossis ilii. (05 Mar 2000) |
| arcuate line of rectus sheath | A crescentic line, not always clearly defined, which marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle. Synonym: linea arcuata vaginae musculi recti abdominis, Douglas' line, linea saemicircularis, saemicircular line. (05 Mar 2000) |
| arterial line | An intra-arterial catheter. (05 Mar 2000) |
| axillary line | See: anterior axillary line, midaxillary line, posterior axillary line. (05 Mar 2000) |