| LCS | cerebrospinal fluid [Lat. liquor cerebrospinalis]; left coronary sinus; life care service; low const... |
|---|---|
| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminida... |
| NaERC | sodium efflux rate constant |
| pK | negative logarithm of the dissociation constant; plasma potassium |
| pK' | apparent value of a pK; negative logarithm of the dissociation constant of an acid |
| GCO | Gas chromatography olfactometry |
|---|---|
| GC-NICI-MS | gas chromatography-negative ion chemical ionisation mass spectrometry |
| GC-C-IRMS | Gas chromatography-combustion-isotope ratio mass spectrometry |
| GC-FID | Gas chromatography-flame ionization detection |
| GC/MS | Gas chromatography/mass spectrometric |
| 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) |