The phrase "an official term" is correct and usable in written English.
You can use it when referring to a term that is recognized and accepted in a specific field or context, often used in formal or authoritative settings.
Example: "In legal documents, 'plaintiff' is considered an official term for the party who initiates a lawsuit."
Alternatives: "a formal term" or "a recognized term".
China had never had an official term for "mortgage," but real estate was suddenly an asset.
The police used an official term for this occasional hazard: "lynching".
Although students must register explicitly for courses offered for academic credit during IAP, this period is not an official term.
Unlike South Central, the South Bronx is not an official term and does not appear on maps.
There must be an official term for the anxiety this engenders, probably something along the lines of Kinosterblichkeitangst or Kinomangelschmerz.
On September 2nd Jiang Jiemin, PetroChina's former chairman, was put under investigation for "suspected serious disciplinary violations", an official term that often denotes accusations of graft.
Finally, purple alerts that the entered term matches a synonym that cannot be resolved to a single official term; since the curation tool cannot resolve which official term was intended, the biocurator must resolve it and re-enter a new term to continue.
That one really was a bomb – or to use the official term a "crude improvised explosive device" – left in a phone box outside Love Image and a few yards from McCallum's Traditional Family Butchers.
The official term is an Inducement Resolution, which is a package of benefits from the city's Industrial Development Agency for companies demanding a bribe to come in from the suburbs.
The Federal Bureau of Investigation is looking at whether the shooting was a hate crime, the official term for crimes motivated by bias or prejudice.
Recall election, method of election in which voters can oust an elected official before his official term has ended.
