RSA (iou) and Aluminum (medicine)

RSA (iou)

RSA abbreviation.
Royal Scottish Academy; Royal Scottish Academician.
Royal Society of Arts.

aluminum
<chemical> Aluminum. An extremely light, whitish, lustrous metallic element, atomic number 13, and atomic weight 26.982. Aluminum compounds are used chiefly for their antacid and astringent properties.

Chemical name: Aluminum

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