Definitions

from The Century Dictionary.

  • noun In botany, the air-vessel or bladder by means of which many algæ, as Fucus vesiculosus, are supported in the water, and oceanic species, as the gulfweed, float on the surface. See cut under air-cell.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) One of the air cells of algals.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An air vesicle.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

aero- +‎ cyst

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Examples

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