er

IPA: ɝ

The name of the Cyrillic script letter Р / р.
Initialism of Elizabeth Regina (“Queen Elizabeth”).
(Britain) Initialism of Edward Rex. (on coins, letterboxes, etc.) The royal cypher for Edward VII, king of Great Britain
(US politics) Initialism of Eleanor Roosevelt.
(US sports) Abbreviation of Erie (“Erie, Pennsylvania, USA”). [A tribe of Native Americans.]
(baseball) Initialism of earned run. [(baseball) A run that was recorded without the benefit of an error.]
(biology) Initialism of endoplasmic reticulum. [(cytology) A network of membranes within the cytoplasm of cells, where proteins and lipids are synthesized.]
(computing) Initialism of entity-relationship.
(medicine) Initialism of emergency room. [(US, Canada, healthcare) A department of a hospital where seriously ill or injured patients, often with life-threatening conditions that require urgent or immediate treatment, are brought in, usually by ambulance.]
(biochemistry) Initialism of estrogen receptor.
(physics) Initialism of Einstein-Rosen bridge. [(physics) A type of wormhole that is inherently unstable and collapses before any information or matter can pass through.]
(military) Initialism of enhanced radiation.

(informal) To utter the word "er" when hesitating in speech, found in the phrase um and er.

Examples of "er" in Sentences

No Sentences Found for er