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glutamic acid

(Encyclopedia)CE5 glutamic acid glo͞otămˈĭk [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer occurs in mammalian proteins. Like aspartic acid, glu...

Frankfurt an der Oder

(Encyclopedia)Frankfurt an der Oder än dĕr ōˈdər [key], city, Brandenburg, E Germany, a port on the Oder River, at the ...

Mülheim an der Ruhr

(Encyclopedia)Mülheim an der Ruhr mülˈhīm än dĕr ro͞or [key] or Mülheim, city (1994 pop. 177,175), North Rhine–Westphalia, W Germany, on the Ruhr River. It is an industrial center of the Ruhr district and...

Neustadt an der Weinstrasse

(Encyclopedia)Neustadt an der Weinstrasse noiˈshtät än dĕr vīnˈshträsə [key], city (1994 pop. 53,782), Rhineland-Palatinate, SW Germany; chartered 1275. It is the center of the Rhenish Palatinate wine trade...

Marburg an der Lahn

(Encyclopedia)Marburg an der Lahn märˈbo͝ork än dĕr län [key] or Marburg, city (1994 pop. 76,582), Hesse, Germany, on the Lahn River. It is chiefly known for its Protestant university, founded in 1527 by Phil...

Landsberg an der Warthe

(Encyclopedia)Landsberg an der Warthe: see Gorzów Wielkopolski, Poland. ...

Bruck an der Mur

(Encyclopedia)Bruck an der Mur bro͝ok än dĕr mo͞or [key], city, in Styria prov., E central Austria, at the confluence of the ...

trisection of an angle

(Encyclopedia)trisection of an angle: see geometric problems of antiquity. ...

alloy

(Encyclopedia)alloy ălˈoi, əloiˈ [key] [O. Fr.,=combine], substance with metallic properties that consists of a metal fused with one or more metals or nonmetals. Alloys may be a homogeneous solid solution, a he...

cyanide

(Encyclopedia)cyanide sīˈənīdˌ [key], chemical compound containing the cyano group, –CN. Cyanides are salts or esters of hydrogen cyanide (hydrocyanic acid, HCN) formed by replacing the hydrogen with a metal...