The word 'multicountry' is correct and can be used in written English.
It is often used to describe something that exists or operates in multiple countries. Example: The international corporation has a multicountry strategy in order to expand its market presence and cater to diverse consumer needs.
Here's a relatively new paper by Ray Fair, for instance, the abstract to which reads:This paper uses a multicountry macroeconometric model to estimate the macroeconomic effects of a Chinese yuan appreciation.
Several regional and multicountry surveys were established in the 20th century.
OPEC is protected from prosecution mainly because it is a multicountry organization headquartered in Vienna, Austria.
"Now that has changed, and contingency planning is focused on three primary scenarios — a single-country exit, a multicountry exit and a breakup of the euro zone in its entirety".
After months of costly procrastination and with a multicountry financial meltdown possibly just hours away, the European Union has approved a new Greek bailout loan and agreed to lower interest rates and extend repayment periods for the money it provides to Greece, Ireland and Portugal.
"It revives the concern that a multicountry sovereign default could happen".
Dr. Brewis and her colleagues recently completed a multicountry study intended to give a snapshot of the international zeitgeist about weight and body image.
White Americans fared better than the multicountry average in literacy, but were about average in the math and technology tests.
Plan International said a co-ordinated multicountry emergency response was needed.
Eric Gagne of Los Angeles, the major league leader with 32 saves, could be the closer for the multicountry team; he's from Canada.
In early spring, the Americans discovered that resistance to their rule on brand-name drugs was coming even from the American organizations who were getting multicountry, multiyear grants to set up treatment programs.
