Oxford blue noun

A dark blue (see also blue¹)

Oxford clay noun (geology)

A dark blue or grey clay of the Oxfordian formation

Oxford comma noun

A comma used to separate the second-last item in a list from the last, esp when the last item is preceded by 'and' or 'or'

Oxford English noun

A form of standard English in which certain tendencies are (sometimes affectedly) exaggerated, widely believed to be spoken at Oxford

Oxford groups plural noun

Informal circles of followers of Dr Frank Buchman, who exchanged religious experiences, and sought divine guidance individually (the Oxford group the name for his followers as a body from 1921 to 1938; see also Moral Rearmament under moral)

Oxford movement see Tractarianism under tract²