Definitions
from The Century Dictionary.
- A name originally proposed for that group of animals in which no distinct nervous system exists or is discernible.
from the GNU version of the Collaborative International Dictionary of English.
- noun plural (Zoöl.) The lowest groups of animals, in which no nervous system has been observed.
Etymologies
Sorry, no etymologies found.
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Examples
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The acrita were the first forms of animal life upon earth, the starting point of that great branch of organization.
Vestiges of the Natural History of Creation Robert Chambers 1836
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The acrita thus appear as a prophecy of the higher events of animal development.
Vestiges of the Natural History of Creation Robert Chambers 1836
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Now, this sub-kingdom consists, like the rest, of five groups, (classes,) and these are respectively representations of the acrita itself, and the other four sub - kingdoms, which had not come into existence when the acrita were formed.
Vestiges of the Natural History of Creation Robert Chambers 1836
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Then the causes favourable to the so abundant production of limestone, and the large population of marine acrita, decline, and we find the masses of dry land increase in number and extent, and begin to bear an amount of forest vegetation, far exceeding that of the most sheltered tropical spots of the present surface.
Vestiges of the Natural History of Creation Robert Chambers 1836
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Even in the lowly forms of the acrita, (polypes,) the suctorial type of the animal kingdom, representation has been discerned, and with some remarkable results as to the history of our world.
Vestiges of the Natural History of Creation Robert Chambers 1836
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