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Definitions for: Er
[n] a trivalent metallic element of the rare earth group; occurs with yttrium
Webster (1913) Definition: -er
.
1. [AS. -ere; akin to L. -arius.] The termination of many
English words, denoting the agent; -- applied either to
men or things; as in hater, farmer, heater, grater. At the
end of names of places, -er signifies a man of the place;
as, Londoner, i. e., London man.
2. [AS. -ra; akin to G. -er, Icel. -are, -re, Goth. -iza,
-?za, L. -ior, Gr. ?, Skr. -[=i]yas.] A suffix used to
form the comparative degree of adjectives and adverbs; as,
warmer, sooner, lat(e)er, earl(y)ier.
Synonyms: atomic number 68, erbium
See Also: fergusonite, gadolinite, metal, metallic element, ytterbite
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