You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
erbium, Er, atomic number
(noun) a trivalent metallic element of the rare earth group; occurs with yttrium
Source: WordNet® 3.1
Mimetic (sound of hesitation)
er
Said when hesitating in speech.
er (third-person singular simple present ers, present participle erring, simple past and past participle erred)
(informal) To utter the word "er" when hesitating in speech, found in the phrase um and er.
• 're, RE, Re, Ré, r.e., re, re-
ER (plural er-noun)
Initialism of Elizabeth Regina. (Queen Elizabeth)
(sports) Abbreviation of Erie. (Erie, Pennsylvania, USA)
• (Elizabeth Regina): EIIR (Elizabeth II)
ER (countable and uncountable, plural ERs)
(baseball) The statistic "Earned Run" (a run that was scored without the aid of an error by the fielding team that is charged to the pitcher responsible for allowing the runner that scored to reach base.)
(biology) Initialism of Endoplasmic Reticulum.
(computing) Initialism of Entity-Relationship.
(medicine) Initialism of emergency room.
(physics) Initialism of Einstein-Rosen bridge.
(military) Initialism of enhanced radiation.
• (computing): EER
• 're, RE, Re, Ré, r.e., re, re-
Source: Wiktionary
30 May 2025
(noun) (sports) a return made with the palm of the hand facing the direction of the stroke (as in tennis or badminton or squash)
You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.