noctilucent
Jan. 25th, 2021 07:42 amnoctilucent (nok-tuh-LOO-cuhnt) - adj., shining or glowing at night, especially of very high-altitude clouds that reflect sunlight long after sunset; nightshining.

Thanks, WikiMedia!
Also encompasses bioluminescent, but the clouds seem to be the primary meaning these days. Coined around 1890 from Latin roots that mean, literally, "night-shining."
---L.
Thanks, WikiMedia!
Also encompasses bioluminescent, but the clouds seem to be the primary meaning these days. Coined around 1890 from Latin roots that mean, literally, "night-shining."
---L.
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Date: 2021-01-27 11:04 pm (UTC)Oh! We're lucky to be having these right now, because it's a severe clear day-7°F this morning, will be 0F overnight.
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Date: 2021-01-28 03:05 pm (UTC)