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aqueous humor

American  

noun

Anatomy.
  1. the limpid watery fluid that fills the space between the cornea and the crystalline lens in the eye.


aqueous humor Scientific  
  1. The clear, watery fluid that fills the chamber of the eye between the cornea and the lens.


Etymology

Origin of aqueous humor

First recorded in 1635–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The findings were published in Investigative Ophthalmology and Visual Science under the title "Metabolomic profiling of aqueous humor from glaucoma patients identifies metabolites with anti-inflammatory and neuroprotective potential in mice."

From Science Daily • Nov. 4, 2025

It is filled with a watery fluid called the aqueous humor.

From Textbooks • Jun. 19, 2013

This will open perforations at the base of the cornea, allowing for the drainage of aqueous humor from the anterior compartment of the eye and, therefore, reducing intraocular pressure related to glaucoma.

From Textbooks • Jun. 19, 2013

Early treatment of open-angle glaucoma with eyedrop drugs like levobunolol hydrochloride, which Bush is taking, slows production of the aqueous humor and relieves the pressure.

From Time Magazine Archive

The two chambers are lined by a thin layer, the secreting membrane of the aqueous humor.

From A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) by Cutter, Calvin

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