In French, is I.R.M. a masculine or feminine noun?
Short answer: I.R.M. is a female acronym, it is appropriate to say and write une I.R.M.
IRM is an acronym that stands for Imagerie par Résonance Magnétique (Magnetic Resonance Imaging). According to the French Academy:
Here, the core is the feminine noun imagerie, so the acronym I.R.M. is feminine. In usage, I.R.M. is still used in the masculine. However, the feminine is clearly preferred as confirmed by the Google Ngram graphic below:
The number of results for each gender in Google searches confirms the preference for the feminine:
Short answer: I.R.M. is a female acronym, it is appropriate to say and write une I.R.M.
IRM is an acronym that stands for Imagerie par Résonance Magnétique (Magnetic Resonance Imaging). According to the French Academy:
Here, the core is the feminine noun imagerie, so the acronym I.R.M. is feminine. In usage, I.R.M. is still used in the masculine. However, the feminine is clearly preferred as confirmed by the Google Ngram graphic below:
The number of results for each gender in Google searches confirms the preference for the feminine:
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