tear

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tear

a drop of the secretion of the lacrimal glands

Tear

 

a drop of the clear, slightly opalescent fluid secreted by the lacrimal glands. Tears are slightly alkaline. They contain as much as 99 percent water and 0.9 percent inorganic matter, chiefly sodium chloride and small quantities of sodium carbonate, magnesium carbonate, calcium sulfate, and calcium phosphate, as well as the antibacterial enzyme lysozyme; other proteins constitute 0.1 percent. Tears moisten the anterior surface of the eye and prevent it from drying, wash foreign bodies out of the conjunctival sac, and participate in the nutrition of the cornea.

run

run, 3
1. In roofing, the horizontal distance from the face of a wall to the ridge of the roof.
2. In stairways, the width of a single stair tread.
3. The horizontal distance covered by a flight of steps.
4. The runway or track for a sash.
5. A small stream of paint flowing vertically on a
References in periodicals archive ?
Tape seal - clear, white & PMS 294, 10" X 14" BAG + 2" tear off receipt, white co-ex film, 2 mil.
8 seconds to tear off an old style stamp, lick it and stick it on a letter.
At a hippie-style Santa Barbara wine festival, he can't even bring himself to tear off his clothing and jump into the vat with his fellow revelers.
The first should be a complete tear off to decking and replace with modified bitman torchdown rubber, fix or repair all sewer vents and any decking that is not safe.