| eocene | <geology> Pertaining to the first in time of the three subdivisions into which the Tertiary formation is divided by geologists, and alluding to the approximation in its life to that of the present era; as, Eocene deposits. The Eocene formation. Origin: Gr. Daybreak, dawn + new, recent. Source: Websters Dictionary (01 Mar 1998) |
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| EOG | <abbreviation> Electro-oculography; electro-olfactogram. (05 Mar 2000) |
| eolian | 1. Aeolian. 2. <geology> Formed, or deposited, by the action of wind, as dunes. Eolian attachment, Eolian harp. See aeolian. See: aeolian. Source: Websters Dictionary (01 Mar 1998) |
| eolis | <marine biology> A genus of nudibranch mollusks having clusters of branchial papillae along the back. See Ceratobranchia. Alternative forms: aeolis. Origin: L. Aeolis a daughter of aeolus, Gr. A'iolis. (19 Mar 1998) |
| eophyte | <paleontology> A fossil plant which is found in the lowest beds of the Silurian age. Origin: Gr. Dawn + a plant. Source: Websters Dictionary (01 Mar 1998) |
| eos | Aurora, the goddess of morn. Origin: L, fr. Gr. 'Hws. Source: Websters Dictionary (01 Mar 1998) |
| eosaurus | <paleontology> An extinct marine reptile from the coal measures of Nova Scotia; so named because supposed to be of the earliest known reptiles. Origin: NL, fr. Gr. 'hws dawn + say^ros lizard. Source: Websters Dictionary (01 Mar 1998) |
| eosin | <protein> A red, fluorescent, bromine-containing, water-insoluble dye usedmainly in toner and cosmetics. A red or brown potassium or sodium salt of the above dye, it is usedas a biological stain and in pharmaceuticals. (09 Oct 1997) |
| eosin B | The disodium salt of 4',5'-dibromo-2',7'-dinitrofluorescein. Synonym: acid red 91, eosin I bluish. (05 Mar 2000) |
| eosin I bluish | The disodium salt of 4',5'-dibromo-2',7'-dinitrofluorescein. Synonym: acid red 91, eosin I bluish. (05 Mar 2000) |
| eosin y | Eosin Ys, the disodium salt of 2',4',5',7'-tetrabromofluorescein. Synonym: acid red 87, eosin yellowish. (05 Mar 2000) |
| eosin yellowish | Eosin Ys, the disodium salt of 2',4',5',7'-tetrabromofluorescein. Synonym: acid red 87, eosin yellowish. (05 Mar 2000) |
| eosin-methylene blue agar | Agar composed of peptone, lactose, and sucrose and containing eosin and methylene blue, used to distinguish between lactose-fermenting and non-lactose-fermenting Gram-negative bacteria. Synonym: EMB agar. (05 Mar 2000) |
| eosine I bluish | <chemical> 4',5'-dibromo-3',6'-dihydroxy-3',7'-dinitrospiro(isobenzofuran-1(3h),9'-(9h)xanthen)-3-one disodium salt. A red fluorescein dye used as a histologic stain. It may be cytotoxic, mutagenic, and inhibit certain mitochondrial functions. Pharmacological action: fluorescent dyes. Chemical name: Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-, disodium salt (12 Dec 1998) |
| eosine yellowish-(ys) | <chemical> A versatile red dye used in cosmetics, pharmaceuticals, textiles, etc., and as tissue stain, vital stain, and counterstain with haematoxylin. It is also used in special culture media. Pharmacological action: fluorescent dyes. Chemical name: Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-, disodium salt (12 Dec 1998) |