[fruhs-chool] /ˈfrʌs tʃul/
the siliceous cell wall of a diatom.
(botany) the hard siliceous cell wall of a diatom
The silica-rich cell wall of a diatom. Frustules are divided into two halves, and the intricate patterns of depressions and projections on each half help to identify individual diatom species.
[fruhs-tuh-luh m, -chuh-] /ˈfrʌs tə ləm, -tʃə-/ noun, plural frustula [fruhs-tuh-luh, -chuh-] /ˈfrʌs tə lə, -tʃə-/ (Show IPA). Roman Catholic Church. 1. a small breakfast permitted on fast days.
[fruhs-tuh m] /ˈfrʌs təm/ noun, plural frustums, frusta [fruhs-tuh] /ˈfrʌs tə/ (Show IPA). Geometry. 1. the part of a conical solid left after cutting off a top portion with a plane parallel to the base. 2. the part of a solid, as a cone or pyramid, between two usually parallel cutting planes. /ˈfrʌstəm/ noun (pl) […]
[froo-ti-kohs] /ˈfru tɪˌkoʊs/ adjective 1. having the form of a shrub; shrublike. 2. Botany, Mycology. having branched stalks, as certain lichens. Compare , .
[froo-tes-uh nt] /fruˈtɛs ənt/ adjective, Botany. 1. tending to be shrublike; shrubby. /fruːˈtɛsənt/ adjective 1. having the appearance or habit of a shrub; shrubby