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Dictionary » S » Sterile

Sterile

sterile

1. Producing little or no crop; barren; unfruitful; unproductive; not fertile; as, sterile land; a sterile desert; a sterile year.

2. (Science: biology) incapable of reproduction; unfitted for reproduction of offspring; not able to germinate or bear fruit; unfruitful; as, a sterile flower, which bears only stamens. Free from reproductive spores or germs; as, a sterile fluid.

3. Barren of ideas; destitute of sentiment; as, a sterile production or author.

Origin: F. Sterile, L. Sterilis, akin to Gr. Stereos stiff, solid, stei^ros barren, stei^ra a cow that has not calved, Goth. Stairo, fem, barren. See Stare to gaze. Incapable of reproducing; an infertile couple.


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sterilization in microwave oven

... daily, and considering that the eyes can deal with limited contamination it is probably safe enough, but the contact lenses are probably not sterile. - Microwave can and do superheat water above 100ºC, but this is neither reliable nor safe. Not reliable because it is impossible to predict ...

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by canalon
Thu Sep 03, 2009 3:14 pm
 
Forum: Microbiology
Topic: sterilization in microwave oven
Replies: 12
Views: 10170

Re: Natural selection is proven wrong

... Speciation (immediate) Common in plants and used in agriculture a hybrid species is produced when two species combine to form a new non-sterile species. In single cell organisms one species may retain all or part of its original form inside of the other (endosymbiosis). In complex animals ...

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by GaryGaulin
Tue Sep 01, 2009 3:00 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16275

Endosymbiosis = Hybridization Speciation?

... Speciation (immediate) Common in plants and used in agriculture a hybrid species is produced when two species combine to form a new non-sterile species. In single cell organisms one species may retain all or part of its original form inside of the other (endosymbiosis). In complex animals ...

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by GaryGaulin
Mon Aug 24, 2009 1:21 am
 
Forum: Evolution
Topic: Endosymbiosis = Hybridization Speciation?
Replies: 0
Views: 50

Speciation among primates and hominids

... better analogy would've been a german shepherd and a wolf: we say they're two species, a dog and a wolf, but they can have offspring that are not sterile. So however you look at it, species is a man made category, not something the nature cares about. And you could pick any other species for this ...

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by biohazard
Tue Jul 07, 2009 6:08 am
 
Forum: Evolution
Topic: Speciation among primates and hominids
Replies: 12
Views: 373

The Colin Leslie Dean species paradox

That's not quite true. Species mate with other species as well. Usually the offspring are are sterile, though (if there are any), but not always. Closely related species can mate and have offspring that are capable of having offspring of their own. In nature, few things ...

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by gamila
Sat Jun 27, 2009 11:36 am
 
Forum: Evolution
Topic: The Colin Leslie Dean species paradox
Replies: 120
Views: 2138
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