LENA Views 5 meanings found LENA is used in scientific research for low‑energy neutrino astronomy and low‑energy neutral atom studies, and it also names language‑environment analysis tools employed in education and government projects. Miscellaneous Logical Empiricism in North America Governmental Low Energy Neutral Atom Language ENvironmental Analysis and Academic & Science Laboratory For Experimental Nuclear Astrophysics (Duke Unive Low Energy Neutrino Astronomy