| Er The symbol for the element erbium. |
| ER abbr. emergency room |
| er (ûr) interj. Used to express hesitation or uncertainty. |
Er
the chemical symbol for
(Chemistry / Elements & Compounds) erbium
ER
abbreviation for
1. (Medicine) (in the US) Emergency Room (in hospitals)
2. Elizabeth Regina
[Latin: Queen Elizabeth]
3. (Historical Terms) Eduardus Rex
[Latin: King Edward]
er1
interj
(Linguistics / Phonetics & Phonology) a sound made when hesitating in speech
er2
(Electronics & Computer Science / Computer Science)
the Internet domain name for Eritrea
| Er The symbol for erbium. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | Er - a trivalent metallic element of the rare earth group; occurs with yttrium metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. fergusonite - a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals gadolinite, ytterbite - a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium |
| 2. |  ER - a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatmenthospital room - a room in a hospital for the care of patients |
Translations
er [ɜː] EXCL (in hesitation) → esto(Sp), este(LAm)
er [ˈɜːr] excl → euh
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