Sterility
[stə'rɪlɪtɪ] or [stə'rɪləti]
Definition
(noun.) the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate.
Typed by Amalia--From WordNet
Definition
(n.) The quality or condition of being sterile.
(n.) Quality of being sterile; infecundity; also, the state of being free from germs or spores.
Typist: Mason
Synonyms and Synonymous
n. Barrenness, unfruitfulness, fruitlessness, unproductiveness, infecundity.
Edited by Leopold
Examples
- The evidence is at least as good as that from which we believe in the sterility of a multitude of species. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- In both cases the sterility is independent of general health, and is often accompanied by excess of size or great luxuriance. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- The sterility of first crosses and of their hybrid progeny has not been acquired through natural selection. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- The above view of the sterility of hybrids being caused by two constitutions being compounded into one has been strongly maintained by Max Wichura. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- In regard to the sterility of hybrids, in which the sexual elements are imperfectly developed, the case is somewhat different. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- Some authors believe that long-continued domestication eliminates this strong tendency to sterility in species. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- Now do these complex and singular rules indicate that species have been endowed with sterility simply to prevent their becoming confounded in nature? Charles Darwin. On the Origin of Species by Means of Natural Selection.
- What the methodically-minded do not see is that the sterility of a routine is far more appalling. Walter Lippmann. A Preface to Politics.
- We will now look a little closer at the probable nature of the differences between species which induce sterility in first crosses and in hybrids. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- The degree of sterility does not strictly follow systematic affinity, but is governed by several curious and complex laws. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- From this extreme degree of sterility we have self-fertilised hybrids producing a greater and greater number of seeds up to perfect fertility. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- The agitation has a curious sterility: the people are exhorted to control their own government, but they are given very little advice as to what they are to do with it when they control it. Walter Lippmann. A Preface to Politics.
- But in these and in many other cases, Gartner is obliged carefully to count the seeds, in order to show that there is any degree of sterility. Charles Darwin. On the Origin of Species by Means of Natural Selection.
- Why should the degree of sterility be innately variable in the individuals of the same species? Charles Darwin. On the Origin of Species by Means of Natural Selection.
- It can thus be shown that neither sterility nor fertility affords any certain distinction between species and varieties. Charles Darwin. On the Origin of Species by Means of Natural Selection.
Edited by Daniel