aqueous humor

noun

Definition of aqueous humor 

: a transparent fluid occupying the space between the crystalline lens and the cornea of the eye

First Known Use of aqueous humor

1638, in the meaning defined above

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The first known use of aqueous humor was in 1638

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aqueous humor

noun

Medical Definition of aqueous humor 

: a transparent fluid occupying the space between the crystalline lens and the cornea of the eye

More from Merriam-Webster on aqueous humor

Britannica.com: Encyclopedia article about aqueous humor

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