stratum
- noun
- /ˈstreɪtəm/
- Specialized
- There is a vividly staining stratum granulosum rich in keratohyaline granules.
- stratum corneum
- stratum spinosum
- stratum cells
And in the case of Lucy, in the same layer, the same stratum where we found her, we found fossilized crocodile and turtle eggs.
- And in the case of Lucy, in the same layer, the same stratum where we found her, we found fossilized crocodile and turtle eggs.
Examples
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Within the stratum spinosum, individual cells have indistinct cytoplasmic boundaries without prominent cell membrane detail.
Academic text (2001) -
Archaeologists discovered a stratum of clay pottery that dated back several centuries.
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How will our geological stratum be read or interpreted?
Academic text (2018) -
The first area (shallow stratum) is located in St. Andrew Sound.
Academic text (1999) -
And in the case of Lucy, in the same layer, the same stratum where we found her, we found fossilized crocodile and turtle eggs.
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Fifty meters below the Anomaleum is a stratum of amniotic filters.
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For example, in Borneo, hemi-epiphytic figs colonize hosts from a particular canopy stratum.
Academic text (2005) -
The geologist carefully examined each stratum to understand the history of the Earth's formation.
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The thin stratum of sediment on the riverbed indicated a significant change in water flow.
Synonyms
A thin sheet of material that covers a surface
A layer that lies under another layer, for example under soil or paint
A thin layer within rocks changed by heat and pressure
Compounds
- Specialized
A thin, clear layer of skin in the palms and soles between outer and inner layers
- Specialized
A layer of elastic fibers in tissues like skin or blood vessels that helps them stretch and return to shape
- Specialized
A thin layer of skin under the outer layer made of dying cells with visible granules
How Thick
Surface Forms
Etymology
Stratum comes from Latin stratum, from sternere 'to spread'. In science it means a single layer of rock, soil, or tissue—like one layer in a pile—which explains the word's literal meaning.