Meaning
Any of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta.
Etymology
Origin: Ancient Greek
From (deprecated) genus name Diatoma, from Ancient Greek διάτομος (diátomos, “cut through, cut in half”).
Synonyms & Antonyms
NYT Puzzle Appearances
Accepted in 3 recorded puzzles: