(zoology) Resembling in form or structure a foraminiferous shell of the genus Nodosaria.

(physics) A rare stable isotope of neon, ²¹₁₀Ne, having ten protons and eleven neutrons; it amounts to less than 0.3% of the element in nature

(mineralogy) a very widely distributed crystalline form of calcium carbonate, CaCO₃, found as limestone, chalk and marble

An antihypertensive drug.