Diatoms are enclosed in two shells that fit together like a pillbox.
Source: wiktionary
Ranked by relevance and common usage.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
19 translations across 18 languages.
3 total sentences available.
Diatoms are enclosed in two shells that fit together like a pillbox.
Source: wiktionary
Diatoms are characterized by a cell wall called a fistula made of silica, which usually has two overlapping sections.
Source: wiktionary
We show here, through a systematic study of the covalent chemical bond covering the entire periodic system, that the maximum bond multiplicity is six. The maximum value is reached by the tungsten diatom, W₂. No other pair of atoms in the periodic system (atomic numbers smaller than about 100) reaches a higher bond order.
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.