Ra
1
8.8
- noun
- Specialized
:
radio
- The chemical symbol for Ra is associated with radium, a radioactive element used in cancer treatments.
Examples
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In nuclear chemistry, Ra represents radium, an element known for being intensely radioactive.
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Doctors often use Ra in therapies to exploit its radioactive properties for treating certain diseases.
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Rheumatoid arthritis (RA) is well known for its debilitating effects on the joints.
Blog text (18) -
It is the leading UK funder of research into arthritis and produces patient information leaflets on RA.
Academic text (2014) -
We recently detected IL-27 expression in human RA tissues, including EBI3 and p28 expression primarily in macrophages, by Western blotting and immunohistochemistry.
Blog text (17)
Synonyms
9
8.4
A rare heavy metal that gives off strong radiation and was used in glow paint and medicine
Compounds
- Literature
An Egyptian sun god formed by joining Amun and Ra, worshipped as the main god in Thebes
- Literature
A chief Egyptian god made by joining Amun and Ra and worshipped as the sun god
- Literature
A powerful sun goddess in ancient Egypt who appears as a lioness and protects or destroys
Surface Forms
Etymology
Ra is the chemical symbol for radium, a metal named from the Latin word radius meaning 'ray' because it gives off strong rays of energy. So thinking of Ra as 'ray' helps you remember this element is very radioactive.