Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
spectral type
spectre
spectrin
spectro-
spectrochemistry
spectrogram
spectrograph
spectroheliogram
spectroheliograph
spectrohelioscope
spectrometer
spectrophotometer
spectropolarimeter
spectroscope
spectroscopic analysis
spectroscopy
spectrum
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

speculum metal
spec·u·lum met·al


noun 
Definition:
 
copper-tin alloy used for mirrors: an alloy of copper and tin, sometimes with other metals. It is hard, brittle, white, resistant to corrosion and, because it can be highly polished, is used for metal mirrors.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft