• Clamping up Boards to Prevent Warping
    Clamping up Boards to Prevent Warping
  • WordNet 3.6
    • adj preventive preventing or contributing to the prevention of disease "preventive medicine","vaccines are prophylactic","a prophylactic drug"
    • adj preventive tending to prevent or hinder
    • n preventive an agent or device intended to prevent conception
    • n preventive any obstruction that impedes or is burdensome
    • n preventive remedy that prevents or slows the course of an illness or disease "the doctor recommended several preventatives"
    • ***

Additional illustrations & photos:


Webster's Revised Unabridged Dictionary
  • Interesting fact: The American Society for Prevention of Cruelty to Animals (ASPCA) was formed in 1866.
    • Preventive Going before; preceding. "Our predecessive students.""Any previous counsel or preventive understanding."
    • Preventive Tending to defeat or hinder; obviating; preventing the access of; as, a medicine preventive of disease. "Physic is either curative or preventive ."
    • n Preventive That which prevents, hinders, or obstructs; that which intercepts access; in medicine, something to prevent disease; a prophylactic.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The original purpose of the coffin was to prevent the dearly departed from coming back and haunting the survivors.
    • preventive Serving to prevent or hinder; guarding against or warding off something, as disease, injustice, loss, etc.
    • n preventive That which goes before; an anticipation.
    • n preventive That which prevents; that which constitutes an effectual check or insurmountable obstacle.
    • n preventive Specifically, something taken, used, or done beforehand to ward off disease.
    • n preventive Also preventative.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: To prevent some numbers from occurring more frequently than others, dice used in crap games in Las Vegas are manufactured to a tolerance of 0.0002 inches, less than 1/17 the thickness of a human hair.
    • adjs Preventive tending to prevent or hinder: preservative
    • ***


  • Thomas Fuller
    “He who cures a disease may be the skillfullest, but he that prevents it is the safest physician.”
  • Ray Bradbury
    Ray Bradbury
    “I don't try to describe the future. I try to prevent it.”
  • Benjamin Franklin
    “It is easier to prevent bad habits than to break them.”
  • Samuel Butler
    “Justice is my being allowed to do whatever I like. Injustice is whatever prevents my doing so.”
  • Albert Einstein
    “Intellectuals solve problems; geniuses prevent them.”
  • Claude Bernard
    Claude Bernard
    “It is what we think we know already that often prevents us from learning.”


An ounce of prevention is worth a pound of cure - This expression means that is is better to try to avoid problems in the first place, rather than trying to fix them once they arise.


Webster's Revised Unabridged Dictionary
Cf. F. préventif,
Chambers's Twentieth Century Dictionary
L. præventus, pa.p. of prævenīrepræ, before, venīre, to come.


In literature:

It is a pity they should come just so as to prevent you from going to morning service; is it not?
"He Knew He Was Right" by Anthony Trollope
If you can prevent the erection of the statues on Didymus's land, so much the better.
"Cleopatra, Complete" by Georg Ebers
No doubt she had already rebuffed many another as sharply as she had just prevented him from seizing her hand.
"Barbara Blomberg, Complete" by Georg Ebers
But the fear of arriving too late prevented Roland from profiting by this permission to its full extent.
"The Companions of Jehu" by Alexandre Dumas, père
But they were seen late in the day, and soon darkness prevented an engagement.
"The Life of Captain Matthew Flinders" by Ernest Scott
Any further intimacies were prevented by approach of the procession.
"The Cathedral" by Sir Hugh Walpole
Do you believe there is any duty that man owes to God that will prevent a man marrying the woman he loves?
"Lectures of Col. R. G. Ingersoll - Latest" by Robert Green Ingersoll
I shan't prevent Lorilleux being witness.
"L'Assommoir" by Emile Zola
Even if they did burst, I should think that the rope would prevent the splinters from flying about.
"With Moore at Corunna" by G. A. Henty
It doesn't prevent these women from quietly plying their trade and sending as many little ones as they can to kingdom-come.
"Fruitfulness Fecondite" by Emile Zola

In poetry:

One kiss from all others prevents me,
And sets all my pulses astir,
And burns on my lips and torments me:
'Tis the kiss that I fain would give her.
"Agro-Dolce" by James Russell Lowell
Her's is the Energy of Soul sincere.
Her Christian Spirit ignorant to feign,
Seeks but to comfort, heal, enlighten, chear,
Confer a pleasure, or prevent a pain.—
"To The Memory Of Mrs. Lefroy Who Died Dec: 16 -- My Birthday." by Jane Austen
Nay, O my Saviour! when I'm most inclin'd
To worship thee, with all my heart and mind,
Then most he aims my purpose to prevent,
By all the various wiles he can invent!
"A Prayer Against The Temptations, And Assaults Of The Devil" by Rees Prichard
O Oum-Amr, you have prevented me from the cup
When it should have been moving to the right;
And yet the one of us three that you would not serve
Is not the least worthy.
"Moallaka - II" by Edward Powys Mathers
If ye meekly, in each burning lamp,
See the nobler light's resplendent stamp,
Ne'er will Fate prevent you, void of feeling,
At God's throne at morningtide from kneeling.
"Book Of the Parsees - The Bequest Of The Ancient Persian Faith" by Johann Wolfgang von Goethe
The water is the fish's element;
Take her from thence, none can her death prevent;
And some have said, who have transgressors been,
As good not be, as to be kept from sin.
"Upon the Fish in The Water" by John Bunyan

In news:

Ideally, you want to prevent blisters from happening in the first place.
Preventing Blockage in Homes With Low-Flow Fixtures.
Beta blockers aren't as effective as widely believed at preventing heart attacks and other heart-related health problems, according to a new study in JAMA.
The Siouxland Community Blood Bank has urgent needs for all blood types and blood donations are needed immediately to prevent blood shortages in our area.
Maintaining tight glycemic control is critical to successfully managing diabetes and reducing or preventing potential complications associated with the condition.
Hospitalizations for sepsis, or blood poisoning , more than doubled in the last decade, the Centers for Disease Control and Prevention reported Tuesday.
Educating patients about their blood type and the health risks associated with it could help prevent cardiovascular disease, a study says.
Joe Tait was released from The Cleveland Clinic today following a procedure to prevent blood clots from forming in his lungs.
According to a recent study by the Center for Disease Control and Prevention, the use of marijuana by Colorado youth decreased 2.8 percent between 2009 and 2011, reports the Huffington Post.
Bluepoint Solutions Expands Real-Time Check Fraud Prevention to Entire Suite of RDC Technology.
Bluepoint Solutions Expands Real-Time Check Fraud Prevention to Entire Suite of RDC Technology.
Come get the facts on the many advantages to body-weight training, as well as information on limiting factors, proper progression, maintaining standards and preventing injury.
We can't expect him to prevent or repair all mishaps.
PATRICK'S PEOPLE: Pittsburg fire captain Bob Gardullo works to prevent fires.
Bob Gardullo, Pittsburg Fire Department captain, always looks forward to visiting schools during October, Fire Prevention Month, and sharing a potentially life-saving message with local youngsters.

In science:

The constant C in Eq. (20) is zero again in order to prevent a pole at the centre.
Static charged perfect fluid spheres in general relativity
Both types of disorder break translational symmetry and prevent the formation of minibands, as occurs in regimented arrays of quantum dots.
Transport in random quantum dot superlattices
Although the modified spin-wave theory limits us to only a portion of the whole random spin-chain space, we believe such wide crossover can be generic and it can prevent the real RSRG behavior from being observed at reasonably low temperatures.
Modified spin-wave study of random antiferromagnetic-ferromagnetic spin chains
For lower values of α the analysis is more complicated as the extremely long transient times to stationarity prevent the investigation of large lattices.
A Nonconservative Earthquake Model of Self-Organized Criticality on a Random Graph
To start with, the type system of S ′ reduction semantics should obviously prevent us from constructing ill-typed terms.
Typed Generic Traversal With Term Rewriting Strategies