noun
definition
A chemical element (symbol Er) with atomic number 68: a silvery-white metal, in nature always found in combination with other elements.
definition
A single atom of this element.
Examples of erbium in a Sentence
The glass in these lenses contains three elements (neodymium, erbium, and praseodymium) which enhance color perception while improving both contrast and depth perception.
Laser treatment for acne scars typically uses a combination of a carbon dioxide and an erbium laser.
Meyer thinks that the susceptibilities of the metals praseodymium, neodymium, ytterbium, samarium, gadolinium, and erbium, when obtained in a pure form, will be found to equal or even exceed those of the well-known ferromagnetic metals.
Many of their compounds are very strongly magnetic, erbium, for example, in Er203 being four times as strong as iron in the familiar magnetite or lodestone, Fe203.
In the 4th century it is named by the poet Ausonius in his Ordo nobilium erbium, chiefly, perhaps, on the strength of its historic memories.
The new cavity configuration allowed tuning of the laser continuously over 25 nm of the erbium gain bandwidth by using a bulk diffraction grating.
In its character yttrium is closely allied to, and in nature is always associated with, cerium, lanthanum, didymium and erbium (see Rare Earths).