Definify.com
Webster 1913 Edition
Preventive
Pre-vent′ive
,Adj.
[Cf. F.
préventif
.] 1.
Going before; preceding.
[Obs.]
Any previous counsel or
preventive
understanding. Cudworth.
2.
Tending to defeat or hinder; obviating; preventing the access of;
as, a medicine
. preventive
of diseasePhysic is either curative or
preventive
. Sir T. Browne.
Preventive service
, the duty performed by the armed police in guarding the coast against smuggling.
[Eng]
Pre-vent′ive
,Noun.
That which prevents, hinders, or obstructs; that which intercepts access; in medicine, something to prevent disease; a prophylactic.
Webster 1828 Edition
Preventive
PREVENT'IVE
,Adj.
PREVENT'IVE
,Noun.
1.
An antidote previously taken. A medicine may be taken as a preventive of disease.