A brief summary of common Latin phrases and abbreviations used in everyday life and math or physics fields. Some phrases or abbreviations are not concluded, just because I have never seen them before, thus classified as “not frequently used”.
|et al.||et alii
|“and others”||Example: These results agree with the ones published by Pelon et al. (2002).
“Etc.” should not be used for people.
|etc.||et cetera||“and the others”||Example: I need to go to the store and buy some pie, milk, cheese, etc.|
|e.g.||exempli gratia||“for example”, “for instance”|
|i.e.||id est||“that is”, “in other words”|
|N.B.||nota bene||“note well”||To attract attention. Some people use “Note” for the same purpose.|
|per cent.||per centum||“for each one hundred”||Commonly “percent” in American English.|
|P.S.||post scriptum||“after what has been written”||Used to indicate additions to a text after the signature of a letter.|
|P.P.S.||post post scriptum||Sometimes extended to comical length with P.P.P.S., P.P.P.P.S., and so on.|
|Q.E.D.||quod erat demonstrandum||“that which was to be demonstrated”.||Cited in many texts at the end of a mathematical proof.|
|Re||in re||“in the matter of”, “concerning”||Functions as an abbreviation of “reply” in e-mails.|
|R.I.P.||requiescat in pace||“may they rest in peace”|
|vs. or v.||versus||“against”|
|C.V., cv or CV||curriculum vitae||“course of life”|
|A.M.||ante meridiem||“before midday”|
|P.M.||post meridiem||“after midday”|
|Vice versa||“the position having been reversed”
the other way round
|Example: He doesn’t trust her, and vice versa (= she also doesn’t trust him).|
|Ad hoc||when necessary or needed||Example: The mayor appointed an ad hoc committee to study the project.|
|in situ||in the original place|
|ex situ||out of the original place|
Author: Mike Lyou
Liscense: This work is licensed under a CC BY-NC-SA International License.