Tag Archives: Initialisms

“A” or “An” with abbreviations? It depends.

Scientific papers tend to contain lots of abbreviations—acronyms, initialisms,* gene symbols and protein designations, element and isotope symbols, chemical formulas, and so on—and authors sometimes have difficulty choosing the correct indefinite article (“a” or “an”) to use with  abbreviations. Continue reading “A” or “An” with abbreviations? It depends.