(mineralogy) A basic ferric sulfate mineral found in oxidized iron sulfide deposits, with the chemical formula Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O.

plural of non-starter

Relating to orthopterology.

(physiology) The time period in a cycle during which the cycle crests or peaks, especially the upper part of a sine wave fitted to a measurement of a circadian pattern or other biological rhythm.