Portable Document Format PDF When using an acronym that may be unfamiliar to your readers, spell it out in full the first time it is mentioned, with the acronym following in brackets; thereafter, use the acronym alone. The Oxford Word of the Year is a word or expression shown through usage evidence to reflect the ethos, mood, or preoccupations of the passing year, and have lasting potential as a term of cultural significance. Oxford Phrasal verbs dictionary. Get Concise Oxford English Dictionary alternative downloads. Oxford Dictionary has , headwords; , of them being in current use, 47, being obsolete words and around 9, derivative words included as subentries.