American and British EnglishAmerican and British English are dialects(方言) of English which have a recognised standard form and are equally acceptable in Academic English as long as the style and register (语域)used are appropriately formal. There are no significant differences in the academic form of other varieties of English. These tend to resemble either the American or British form. For example, Australian English generally uses the same spelling as British English. Differences between British and American English.Throughout this page, blue is used to denote British English and red to denote American English. The most noticeable difference in the academic context is in spelling. There are also grammatical differences and vocabulary differences, although relatively few in formal language.Spelling In general, both American and British spelling are acceptable, but it is important to be consistent, at least with the use of the same word - theatre or theater, but not both - and in your choice of ize or ise endings as in criticize or criticise, plagiarize or plagiarise. The Cambridge International Dictionary of English gives British, American and Australian English spelling. American spelling tends to reflect pronunciation and British spelling tends to reflect grammatical or historical implications(含义) as well. However, there may be advantages in using British spelling in certain situations. For instance, two forms: programme and program exist in British English. The former can be a noun referring to television programmes or programmes of events (plans, conferences, a theatre programme etc.). The latter can be a noun referring to computer programs. Both forms can be verbs, but there is no spelling distinc...