| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
| |
| indium |
| |
| SYLLABICATION: | in·di·um |
| PRONUNCIATION: |   n d - m |
| NOUN: | Symbol In A soft, malleable, silvery-white metallic element found primarily in ores of zinc and tin, used as a plating over silver in making mirrors, in plating aircraft bearings, and in compounds for making transistors. Atomic number 49; atomic weight 114.82; melting point 156.61°C; boiling point 2,080°C; specific gravity 7.31; valence 1, 2, 3. See table at element. | | ETYMOLOGY: | ind(igo) + –ium (so called from the indigo-blue lines in its spectrum).
| | |
| |
| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
|
|
