Englishfor English speakers
conductivity
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noun
(= conduction)
the transmission of heat or electricity or sound
of
Preposition
—
Made using.
It is a house of cards.
annulus
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noun
(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
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noun
(= ring, halo)
a toroidal shape
a ring of ships in the harbor
a halo of smoke