Biology
- Uranium (u)
Term: uranium (U)Literally meaning: ?pertaining to planet Uranus ?Origin?'õ???ü?/uranos(=heaven, sky)???/ano (=above)+????/oros(=mountain)The name was given after the recently dicovered planet Uranus. The planet name was given by German astronomer...
- Thallium (tl)
Term: thallium (Tl)Literally meaning: ?pertaining to green young shoot ?Origin: Origin: Anc Greek ??????/thallos(=young shoot, green branch, twig) > ?????/threpho(=feed)The element named because of the bright green line in its spectrumCoined/History...
- Thulium (tm)
Term: thulium (Tm)Literally meaning: ?pertaining to Thoule land?Origin According Greek explorer Pytheas of Massalia (4 t6h cen BC) Thoulewas the northernmost habitable region of the world. Pytheas about 330 BC was travelled to England and then...
- Lanthanum (la)
Term: lanthanum (La)Literally meaning: ?pertaining to hidden?Origin: ???????/lanthano(= to be hidden, to escape notice) .The element called lanthanum because it is ?hidden? in rare minerals. Coined/History Lanthanum was isolated in the mineral...
- Lithium (li)
Term: lithium (Li)Literally meaning: ?pertaining to stone?Origin: Anc Greek?????/lithos(=stone, rock)Coined/History The element was named in 1817 by Sweeden chemist Johan August Arfvedsen (1792-01-12) when analysing petalite (LiAlSi4O10)...
Biology
dysprosium (Dy)
Term: dysprosium (Dy)
Literally meaning: ?pertaining to not accessible ?
Origin
???-/dys-(=prefix used with a negative sense meaning ?difficult?, ?bad?, ?abnormal?, ?misfortune?) > ???/dyo(=decline) ????/dysi(=sundown)
+????????/prositos (=accessible)
> ????/pros(=towards) + ????/eemi(=send)
Coined/History
Dysprosium was found in 1886 by French chemist Paul Emile de Boisdaudran (1838-1912) when he separated dysprosium oxide from homium oxide. Boisdaudranisolated dysprosium with a time consuming procedure which involved 32 precipitations leading to its name which means ?hard to obtain?.
Definition
Dysprosium is a chemical element with atomic number 66 and atomic mass 162,500. It is found only in minerals and never as a free element. It is used in nuclear reactors because is proper to absorb neutrons and for dat6a storing eg compact discs.
- Uranium (u)
Term: uranium (U)Literally meaning: ?pertaining to planet Uranus ?Origin?'õ???ü?/uranos(=heaven, sky)???/ano (=above)+????/oros(=mountain)The name was given after the recently dicovered planet Uranus. The planet name was given by German astronomer...
- Thallium (tl)
Term: thallium (Tl)Literally meaning: ?pertaining to green young shoot ?Origin: Origin: Anc Greek ??????/thallos(=young shoot, green branch, twig) > ?????/threpho(=feed)The element named because of the bright green line in its spectrumCoined/History...
- Thulium (tm)
Term: thulium (Tm)Literally meaning: ?pertaining to Thoule land?Origin According Greek explorer Pytheas of Massalia (4 t6h cen BC) Thoulewas the northernmost habitable region of the world. Pytheas about 330 BC was travelled to England and then...
- Lanthanum (la)
Term: lanthanum (La)Literally meaning: ?pertaining to hidden?Origin: ???????/lanthano(= to be hidden, to escape notice) .The element called lanthanum because it is ?hidden? in rare minerals. Coined/History Lanthanum was isolated in the mineral...
- Lithium (li)
Term: lithium (Li)Literally meaning: ?pertaining to stone?Origin: Anc Greek?????/lithos(=stone, rock)Coined/History The element was named in 1817 by Sweeden chemist Johan August Arfvedsen (1792-01-12) when analysing petalite (LiAlSi4O10)...