• Sima

    Origin 1

    From the Ancient Greek "simos" (bent upwards)

    Full definition of sima

    Noun

    sima

    (plural simas)
    1. (architecture) The upturned edge of a roof which acts as a gutter; a cyma.

    Origin 2

    siliconmagnesium From silicon|'''

    si

    licon + magnesium|

    ma

    '''gnesium

    Noun

    sima

    (uncountable)
    1. (geology) The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.
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