est
est — adjective
- estpositive
- estercomparative
- estestsuperlative
1. used in writing before a number, amount, or figure to show that the value has be
used in writing before a number, amount, or figure to show that the value has been calculated approximately rather than measured exactly
The repairs will cost an est. $15,000 to complete the work.
est. + [cost/amount] before a number
Est. time of arrival is 2:30 PM, assuming no traffic delays.
est. + 'time of arrival' (ETA pattern)
The stadium can hold an est. 50,000 spectators during a match.
The bakery sells an est. 800 loaves of bread every morning.
- approx.
also an abbreviation for 'approximately'; used before numbers, but est. is more common with financial or time figures
- exact
est. indicates a rough calculation, whereas exact means the precise, verified number
文法句型
est. + [number/amount/quantity]
用法筆記
always written with a full stop (est.) in formal text; spoken as the full word 'estimated'
常見錯誤
2. used in writing before a year to indicate when a company, institution, building,
used in writing before a year to indicate when a company, institution, building, or organisation was first founded or opened
The university library, est. 1921, holds over two million books.
est. + year at the end of a noun phrase
This family-run hotel, est. 1875, is one of the oldest in the region.
The company was founded in 1998 and the building still proudly displays 'est. 1998' above the door.
A famous watchmaker with a shop est. 1847 still sells hand-made timepieces today.
- founded
used in full sentences rather than as an abbreviation; est. is reserved for written labels and signs
- closed
est. marks the beginning of an institution; closed marks its end
文法句型
est. + [year]
用法筆記
typically placed after the noun it modifies, before the year; commonly seen on company signs, logos, and plaques
常見錯誤
est — abbreviation
1. a written abbreviation for Eastern Standard Time, the standard time observed in
a written abbreviation for Eastern Standard Time, the standard time observed in the eastern parts of the United States and Canada, five hours behind Coordinated Universal Time (UTC-5)
The live broadcast begins at 9:00 PM EST on Saturday night.
time + EST for broadcast schedule
Our office in New York opens at 8 AM EST, which is 1 PM in London.
EST time converted to another time zone
The conference call is scheduled for 10:30 AM EST this Thursday.
We will arrive at the airport at 6:45 AM EST and fly to Chicago.
- EDT
Eastern Daylight Time, used from March to November when clocks are one hour ahead of EST
文法句型
EST + time
time + EST
用法筆記
always written in uppercase letters without full stops; daylight saving time is called Eastern Daylight Time (EDT), not EST