| PSD | particle size distribution; peptone, starch, and dextrose; periodic synchronous discharge; phase-sen... |
|---|---|
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
| SPD | schizotypal personality disorder; sociopathic personality disorder; specific paroxysmal discharge; s... |
| TUD | total urethral discharge |
| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |
| zygomaxillary point | A craniometric point located externally at the lowest extent of the zygomaticomaxillary suture. Synonym: key ridge, zygomaxillary point. (05 Mar 2000) |
|---|---|
| flash point | The lowest temperature at which vapors of a liquid may be ignited by a flame. (05 Mar 2000) |
| focal point | Location of an organism, for fish, usually the position of the snout. Habitat measurements made at that position (depth, water velocity, etc.) are focal point measurements. (09 Oct 1997) |
| freezing point | <physics> The temperature at which a liquid solidifies. (05 Mar 2000) |
| leak point pressure | Storage pressure in bladder at which leakage occurs passively, usually in patients with neuropathic bladder. (05 Mar 2000) |
| fusing point | See: fusion temperature (wire method). (05 Mar 2000) |
| lower alveolar point | In craniometrics, the apex of the septum between the mandibular central incisors. Synonym: lower alveolar point. (05 Mar 2000) |