Definitions

from The Century Dictionary.

  • noun In botany, one of the cavities in the leaves, stems, or other parts of plants, containing air.
  • noun In anatomy and zoology, a definite circumscribed cavity in the body, containing atmospheric air inhaled through air-passages which place it in direct communication with the outer air.

Etymologies

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Examples

  • How then can the air in any air-cell be kept at a higher tension than the surrounding atmosphere?

    The Life and Letters of Thomas Henry Huxley

  • It brings into play the entire respiratory apparatus, every part of the lungs, every air-cell, every respiratory muscle.

    The Hindu-Yogi Science Of Breath

  • It should be diaphragmatic; that is, with the expansion of the sides of the lower part of the chest, thus filling every air-cell and bringing the life-giving oxygen to the blood.

    What a Young Woman Ought to Know

  • Now breathe in slowly until every air-cell is full.

    What a Young Woman Ought to Know

  • How then can the air in any air-cell be kept at a higher tension than the surrounding atmosphere?

    Life and Letters of Thomas Henry Huxley — Volume 1

  • After being moulded, the loaves should stand usually not over ten minutes, just long enough to allow the fermentation going on in them to expand each little air-cell to the point at which it stood before it was worked down, and then they should be immediately put into the oven.

    American Woman's Home

  • In this passage of the blood through these capillaries, the air in the air-cell imparts its oxygen to the blood, and receives in exchange carbonic acid and watery vapor.

    American Woman's Home

  • The lining membrane of each air-cell is covered by a network of minute blood-vessels called

    American Woman's Home

  • Every air-cell has a blood-vessel that brings blood from the heart, which meanders through its capillaries till it reaches another blood-vessel that carries it back to the heart, as seen in Fig. 26.

    American Woman's Home

  • The humoral asthma has but one remote cause, which is the torpor of the pulmonary vessels, like that which occurs on going into the cold bath; or the want of absorption of the pulmonary lymphatics to take up the lymph effused into the air-cell.

    Zoonomia, Vol. II Or, the Laws of Organic Life

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