Origin of infective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for infectivity
The high mortality and infectivity of this epidemic strongly suggest it.Peking Dust
Ellen N. La Motte
Thus far I have considered the problem of marriage from the standpoint of infectivity.Woman
William J. Robinson
No doubt is any longer entertained of its infectious character, though the degree of infectivity appears to vary considerably.
On the infectivity of tabardillo or Mexican typhus for monkeys, and studies on its mode of transmission.Handbook of Medical Entomology
William Albert Riley
- capable of causing infection
- a less common word for infectious
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for infectivity
late 14c., from Latin infectivus, from infectus (see infect).
Online Etymology Dictionary, © 2010 Douglas Harper
- Capable of producing infection; infectious.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.