A mixture of praseodymium and neodymium once thought to be an element (symbol Di).
Used in a Sentence
didymium
Definition, parts of speech, synonyms, and sentence examples for didymium.
Editorial note
Plus didymium, which is actually a mixture of praseodymium and neodymium that was thought to be an element.
Examples8
Definitions1
Parts of speech1
Quick take
A mixture of praseodymium and neodymium once thought to be an element (symbol Di).
Meaning at a glance
The clearest senses and uses of didymium gathered in one view.
Definitions
Core meanings and parts of speech for didymium.
noun
A mixture of praseodymium and neodymium once thought to be an element (symbol Di).
Example sentences
Plus didymium, which is actually a mixture of praseodymium and neodymium that was thought to be an element.
Green glass made with didymium is often used as UV filters, but I don't think that's used in beer bottles.
Specifically, gallium was added, and the lanthanides (particularly cerium/lanthanum/didymium) seem really confused.
(Yes, this is before chemists realized that didymium wasn't an element but a mixture of rare earths.
Many people in history have worked glass with no eye protection without serious consequences, other than cataracts perhaps (many older Italians still do not wear didymium glasses, much less the ones with welding shades).
--- The purple glasses they wear are didymium.
(Cerium provided the other group of rare earths--this eventually resulted in didymium, which was considered an element for a few decades until people realized it was actually a mixture of praseodymium and neodymium).
Quote examples
Cool call-out there, I hadn't realized praseodymium and neodymium are actually short for praseodidyium and neodidymium ("green" and "new" didymium, respectively).
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use didymium in a sentence?
Plus didymium, which is actually a mixture of praseodymium and neodymium that was thought to be an element.
What does didymium mean?
A mixture of praseodymium and neodymium once thought to be an element (symbol Di).
What part of speech is didymium?
didymium is commonly used as noun.