circa

• Aus dem Lateinischen entlehnte Präposition, die überwiegend bei Datums-, Jahres- oder Mengenangaben verwendet wird, um Näherungswerte auszudrücken – bedeutet „ungefähr“, „etwa“ oder „rund“ bei Zeit- und Zahlenangaben; formaler und akademischer Register.

A preposition borrowed from Latin, used primarily with dates, years, or quantities to indicate approximation — meaning 'approximately', 'about', or 'around' in time or number; formal and academic register.

1. Approximately (in relation to time or date)C2formalscientific

   Used before a specific year, date, or time period to indicate that the stated time is an estimate rather than an exact figure; commonly found in historical, academic, and formal writing.

   circa, etwa, ungefähr

   • The Greek philosopher Socrates was born circa 470 BC.
   • This manuscript dates from circa 1100.
   • The building was constructed circa 1850.

2. Approximately (in relation to quantity or measure)C2formalscientific

   Used before a number, amount, or measurement to indicate that the figure is an approximation rather than an exact value; formal or scholarly usage.

   ungefähr, etwa, zirka

   • The artifact is valued at circa $2 million.
   • The population was circa 50,000 at the time of the census.
   • The journey covered a distance of circa 300 miles.