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 ?
Could matters have been so arranged as to prevent the necessity of our leaving the castle, could we have lived with Charles and kept him single, I should have been very far from persuading my husband to dispose of it elsewhere; but Charles was on the point of marrying Miss De Courcy, and the event has justified me.
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.
The doctor now interposed, and prevented the effects of a wrath which was kindling between Jones and Thwackum; after which the former gave a loose to mirth, sang two or three amorous songs, and fell into every frantic disorder which unbridled joy is apt to inspire; but so far was he from any disposition to quarrel, that he was ten times better humoured, if possible, than when he was sober.
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.
"Prevent me!" 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!"
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.
From these basins the water is continually exhaled by the sun in the daytime, which effectually prevents their overflowing.
When have you been prevented by want of money from going wherever you chose, or procuring anything you had a fancy for?"