Definitions
from The Century Dictionary.
- noun In chem., originally, the first of a series of binary compounds arranged according to the number of atoms of the electronegative element.
Etymologies
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Examples
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The five-atomed body, a four-sided pyramid as a proto-compound, becomes a ring whirling round a centre on the meta, and two pairs with a unit on the hyper.
Occult Chemistry Clairvoyant Observations on the Chemical Elements Annie Wood Besant 1890
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This does not break up as a proto-compound but is merely set free,
Occult Chemistry Clairvoyant Observations on the Chemical Elements Annie Wood Besant 1890
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The sphere marked _x_ is a proto-compound, the balloon when set free.
Occult Chemistry Clairvoyant Observations on the Chemical Elements Annie Wood Besant 1890
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