• WordNet 3.6
    • adj astringent tending to draw together or constrict soft organic tissue "astringent cosmetic lotions"
    • adj astringent sour or bitter in taste
    • n astringent a drug that causes contraction of body tissues and canals
    • ***
Webster's Revised Unabridged Dictionary
    • n Astringent A medicine or other substance that produces contraction in the soft organic textures, and checks discharges of blood, mucus, etc. "External astringents are called styptics."
    • Astringent Drawing together the tissues; binding; contracting; -- opposed to laxative; as, astringent medicines; a butter and astringent taste; astringent fruit.
    • Astringent Stern; austere; as, an astringent type of virtue.
    • ***
Century Dictionary and Cyclopedia
    • astringent Binding; contracting; constrictive; styptic.
    • n astringent A substance which contracts the tissues and canals of the body, condensing the soft solids, and thereby checking or diminishing excessive discharges, as of blood. The chief astringents are the mineral acids, alum, lime-water, chalk, salts of copper, zinc, iron, lead, and silver, and among vegetables catechu, kino, oak-bark, and galls. Vegetable astringents owe their efficacy to the presence of tannin.
    • n astringent Formerly also adstringent.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Astringent as-trin′jent binding: contracting: strengthening
    • n Astringent a medicine that causes costiveness
    • ***


Webster's Revised Unabridged Dictionary
L. astringens, p. pr. of astringere,: cf. F. astringent,. See Astringe


In literature:

Later, to be sure, they would prove to be mostly astringent and unpalatable.
"Operation: Outer Space" by William Fitzgerald Jenkins
Astringent and Tonic Washes are good, because they strengthen the weakened veins and muscles and heal the relaxed valves.
"Manhood Perfectly Restored" by Unknown
Astringents are medicines which condense and coagulate the tissues, thereby arresting discharges.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
Tannin is a powerful astringent subject to tan skins into leather.
"Food Remedies" by Florence Daniel
Deliciously sweet and spicy when frost has ripened it, very astringent until ripe.
"On the Trail" by Lina Beard and Adelia Belle Beard
Powerful, astringent, metallic taste.
"Aids to Forensic Medicine and Toxicology" by W. G. Aitchison Robertson
The bean begins to taste less astringent as the "tannin" is destroyed.
"Cocoa and Chocolate" by Arthur W. Knapp
I can give you an astringent mixture that will shrink the chords, and may relieve some of the inflammation.
"The Moving Picture Girls" by Laura Lee Hope
Following this, an astringent and soothing lotion should be applied.
"Herself" by E. B. Lowry
Tea being naturally very astringent, should never be served at breakfast.
"Hand-Book of Practical Cookery for Ladies and Professional Cooks" by Pierre Blot

In poetry:

Deep secrets are entrusted to me,
Someone's sun is in my care,
And at every turn, astringent wine
Pierces my soul.
"Unknown Woman" by Aleksandr Aleksandrovich Blok
Each night my solitary friend
Is reflected in my glass,
Made meek and reeling, like myself,
By the mysterious, astringent liquid.
"Unknown Woman" by Aleksandr Aleksandrovich Blok
I wrung my hands under my dark veil. . .
"Why are you pale, what makes you reckless?"
— Because I have made my loved one drunk
with an astringent sadness.
"I Wrung My Hands" by Anna Akhmatova

In news:

Coffee is a complex chemical soup, and many of its chemicals, including some that produce astringency rather than bitterness, and even some acids, have been implicated in the perception of bitterness.
On the tongue, bitterness and astringency balance with spices, citrus and bitter orange.
You don't want chokecherries under-ripe because the flavor will be unpleasantly astringent.
With dark blue, astringent skins, and dry, sour flesh, the ancient plums called damsons aren't good for eating fresh.
A new box set of early albums captures Jan Garbarek's forming saxophone sound — austere and astringent.
Wheeldon's nightingale is his muse, Wendy Whelan, and the ballet is a paean to her in all her astringent, peculiar beauty.
The wry, astringent Donald Fagen of Steely Dan.
So Barney, who's not the ladies' man he used to be, is fixed up for the summer with Olive's astringent friend, Pearl.
In exactly a reverse way, animal proteins and fats (and some vegetable fats) bind to tannin in red wine, mollify the tannin 's astringency and, as it's put, "soften the wine".
Roasting them yields a smoky flavor and aroma that might be just the ticket for those who find regular green tea too astringent.
When I was a young girl, I used witch hazel on my face as an astringent.
The flavor is remarkable, the eggplant 's astringent, faint bitterness yielding to the mild spiciness of the stuffing, which transcends the flavors of its ingredients in a way that's impossible to quite pin down.
Too much of an herb makes a drink bitter and astringent-tasting.
There's a heavy, somewhat astringent perfume that wafts through Portland's neighborhoods in early summer.
It hits the palate full and round, leaving a bit astringent.

In science:

Note that his measure of the concentration, taking the supremum in (2), is very astringent and is governed by the extreme cases.
Random complex fewnomials, I