单词 | stromal |
释义 | stroma /strōˈmə/noun (pl strōmˈata)
ORIGIN: Gr strōma a bed, mattress strōˈmal, strōmatic /-matˈik/ or strōˈmatous adjective stromatˈolite noun (botany) A rounded, multi-layered structure up to approx 1 metre across, found in rocks dating back at least 2800 million years, having present-day equivalents that result from the growth, under special conditions, of blue-green algae |
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