| ED | <abbreviation> Effective dose; ethyldichloroarsine. (05 Mar 2000) |
|---|---|
| ED50 | <abbreviation> Median effective dose. (05 Mar 2000) |
| edaphic | Pertaining to the soil. (09 Oct 1997) |
| edaphic community | A community of plants which results from or is influenced by factors about the soil, for example amount of drainage, level of salinity (salt concentration), or amount of sediment movement. Marsh environments often have edaphic communities of plants specially adapted to marsh conditions. (09 Oct 1997) |
| edaphon | An organism (nematode worm, fungus, bacterium, etc.) that livesin thesoil. (09 Oct 1997) |
| edathamil | (HOOC-CH2)2N(CH2) 2N(CH2-COOH)2;a chelating agent used to remove multivalent cations from solution as chelates, and used in biochemical research to remove Magnesium, Fe2+, etc., from reactions affected by such ions. As the sodium salt, used as a water softener, to stabilise drugs rapidly decomposed in the presence of traces of metal ions, and as an anticoagulant; as the sodium calcium salt, used to remove radium, lead, strontium, plutonium, and cadmium from the skeleton, forming stable un-ionised soluble compounds that are excreted by the kidneys. Compare: EGTA. Synonym: edathamil, edetic acid. Acronym: EDTA (05 Mar 2000) |
| EDC | Estimated date of confinement, the estimated calendar date when the baby will be born. (12 Dec 1998) |
| edder | Flexible wood worked into the top of hedge stakes, to bind them together. Origin: AS. Edor hedge, fence; akin to etar. <zoology> An adder or serpent. See: Adder. Source: Websters Dictionary (01 Mar 1998) |
| eddoes | <botany> The tubers of Colocasia antiquorum. See Taro. Source: Websters Dictionary (01 Mar 1998) |
| eddy current | <radiobiology> Electric current induced inside a conductor when the conductor (a) moves through a nonuniform magnetic field, or (b) experiences a change in the magnetic flux through its surface. (09 Oct 1997) |
| eddy sounds | Sound's that punctuate the continuous murmur of patent ductus arteriosus, imparting to it a characteristically "uneven" quality. (05 Mar 2000) |
| eddy-current loss | <radiobiology> Energy loss due to eddy currents circulating in a resistive material. (09 Oct 1997) |
| edea | The external genitals. Origin: G. Aidoia, genitals (05 Mar 2000) |
| edeine | <chemical> Basic peptide antibiotic from bacillus brevis. It exhibits broad-spectrum antibacterial activity and inhibits bacterial DNA synthesis. Pharmacological action: antibiotics, peptide, nucleic acid synthesis inhibitors. Chemical name: Edeine (12 Dec 1998) |
| edelweiss | <botany> A little, perennial, white, woolly plant (Leontopodium alpinum), growing at high elevations in the Alps. Origin: G, fr. Edel noble + weiss white. Source: Websters Dictionary (01 Mar 1998) |