| HSLC | high-speed liquid chromatography |
|---|---|
| IEC | injection electrode catheter; International Electrotechnical Commission; intraepithelial carcinoma; ... |
| IPC | intermittent pneumatic compression; International Poliomyelitis Congress; ion pair chromatography; i... |
| ITLC | instant thin-layer chromatography |
| LC | Laennec cirrhosis; Langerhans cell; late clamped; large chromophobe; lecithin cholesterol acyltransf... |
| expired gas | Any gas that has been expired from the lungs; often used synonymously with mixed expired gas. (05 Mar 2000) |
|---|---|
| universal gas constant | <radiobiology> R = 8.314 x 10^7 ergs per degree C per mole. (09 Oct 1997) |
| landfill gas | Gas that is generated by decomposition of organic material at landfill disposal sites. Landfill gas is approximately 50 percent methane. (05 Dec 1998) |
| laughing gas | A historical term for nitrous oxide. Origin: so called because its inhalation sometimes excites a hilarious delirium preceding insensibility (05 Mar 2000) |
| lorentz gas | <radiobiology> Plasma model in which the electrons are assumed not to interact with each other, but only with ions (Z to infinity) and where the ions are assumed to remain at rest/fixed (M-i to infinity). Synonym: electron gas. (13 Jan 1998) |