It’s an R&D. Since the letter "R" begins with a vowel sound (similar to "are"), the abbreviation R&D takes the article "an".

It’s an R&D. Since the letter "R" begins with a vowel sound (similar to "are"), the abbreviation R&D takes the article "an".

An R&D project typically goes through different phases.

A R&D project typically goes through different phases.

By contrast, when pronouncing or writing this expression as words (research and development), we use the article "a" because the word research begins with a consonant sound.

Generally, the role of a research and department is to develop new products and improve existing ones.

Remember, the choice between "a" and "an" is determined by pronunciation, not spelling.

Without an R&D program, a company may have to rely on other ways to innovate.

Without a research and development program, a company may have to rely on other ways to innovate.

As mentioned before, we say an R (not "a R").

Write an R in bold.

Follow the same strategy with other abbreviations and acronyms that are pronounced as individual letters and begin with the letter "R"; for example, we say "an RGB" (Red Green Blue—color model).

You can use an RGB code.