preventive

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preventive

1. Med
a. tending to prevent disease; prophylactic
b. of or relating to the branch of medicine concerned with prolonging life and preventing disease
2. (in Britain) of, relating to, or belonging to the customs and excise service or the coastguard
3. Med any drug or agent that tends to prevent or protect against disease
4. another name for contraceptive
References in classic literature ?
At this Zeus was annoyed, but fulfilled his prayer because of his own promise; but to prevent him from enjoying any of the pleasures provided, and to keep him continually harassed, he hung a stone over his head which prevents him from ever reaching any of the pleasant things near by.
Wine had not so totally overpowered Jones, as to prevent his recollecting Mr Blifil's loss, the moment it was mentioned.
three at the entrance of the hollow veins where they are disposed in such a manner as by no means to prevent the blood which it contains from flowing into the right ventricle of the heart, and yet exactly to prevent its flowing out; three at the entrance to the arterial vein, which, arranged in a manner exactly the opposite of the former, readily permit the blood contained in this cavity to pass into the lungs, but hinder that contained in the lungs from returning to this cavity; and, in like manner, two others at the mouth of the venous artery, which allow the blood from the lungs to flow into the left cavity of the heart, but preclude its return; and three at the mouth of the great artery, which suffer the blood to flow from the heart, but prevent its reflux.
For it is manifest that the tie, moderately straightened, while adequate to hinder the blood already in the arm from returning towards the heart by the veins, cannot on that account prevent new blood from coming forward through the arteries, because these are situated below the veins, and their coverings, from their greater consistency, are more difficult to compress; and also that the blood which comes from the heart tends to pass through them to the hand with greater force than it does to return from the hand to the heart through the veins.
But a serious cause of error seems to me to be here introduced: a plant to be hybridised must be castrated, and, what is often more important, must be secluded in order to prevent pollen being brought to it by insects from other plants.
Our chief object will be to see whether or not the rules indicate that species have specially been endowed with this quality, in order to prevent their crossing and blending together in utter confusion.
By shifting his camp and taking circuitous routes, he prevents the enemy from anticipating his purpose.
cried Fouquet; "why, no power on earth should prevent my going to pay my compliments to Madame de Plessis-Belliere, besides, who knows that we shall not stand in need of her
She made a courtesy to her friend, a more profound one to Fouquet, and took leave, under pretense of having a number of visits to make, without the marquise trying to prevent her, or Fouquet, a prey to anxiety, thinking further about her.
The latter was shipped with the greatest precaution on the 18th of February, and was then carefully deposited at the bottom of the vessel in such a way as to prevent accident.
Besides, we take provision for two months with us, after all; and there is nothing to prevent our skilful huntsman here from furnishing game in abundance when we come to alight.
For, if the town intended to be destroyed should have in it any tall rocks, as it generally falls out in the larger cities, a situation probably chosen at first with a view to prevent such a catastrophe; or if it abound in high spires, or pillars of stone, a sudden fall might endanger the bottom or under surface of the island, which, although it consist, as I have said, of one entire adamant, two hundred yards thick, might happen to crack by too great a shock, or burst by approaching too near the fires from the houses below, as the backs, both of iron and stone, will often do in our chimneys.