| Part of Speech | Definition | |
| Noun | 1. The siliceous shell of a diatom. It is composed of two valves, one overlapping the other, like a pill box and its cover.[Websters]. | |
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"FRUSTULE" is a common misspelling or typo for: frustules. |
Date "FRUSTULE" was first used in popular English literature: sometime before 1914. (references) |
| Etymology:Frustule \Frus"tule\, noun. [Latin expression frustulum, diminutive from frustum piece: compare to the French expression frustule.]. (references) |
Specialty Definition: FRUSTULE
| Domain | Definition | ||
| Aerospace | Siliceous wall and protoplast of a diatom. (references) | ||
| Environment | The hard shell of a diatom. (references) | ||
| Geology | The mineral "skeleton" of a diatom or other unicellular organism. (references) | ||
| Mining | The siliceous cell wall of a diatom, consisting of two valves, one overlapping the other. It is ornate, microscopic, and boxlike. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
