Why this word is great
NOCTILUCA — [Noun] A bioluminescent organism or substance that emits light at night, such as a firefly or certain marine plankton. From Latin noctilūca, from nocti- ("night") + -lūca ("shiner"), derived from lūcēre ("to shine"). Unlike "phosphor" (a synthetic or mineral ghost-light, charged by external energy) or "lampyrid" (a firefly bound by taxonomy), noctiluca is the living glow, untamed and self-sufficient. It is the cold blue pulse of dinoflagellates churned in a midnight tide, the intermittent flicker of fireflies stitching the summer air, or the eerie green shimmer of foxfire on rotting wood—each a small defiance against the tyranny of darkness, proof that life, even in obscurity, insists on being seen.