Dictionary » B » Barrel



1. A round vessel or cask, of greater length than breadth, and bulging in the middle, made of staves bound with hoops, and having flat ends or heads.

2. The quantity which constitutes a full barrel. This varies for different articles and also in different places for the same article, being regulated by custom or by law. A barrel of wine is 31 1/2 gallons; a barrel of flour is 196 pounds.

3. A solid drum, or a hollow cylinder or case; as, the barrel of a windlass; the barrel of a watch, within which the spring is coiled.

4. A metallic tube, as of a gun, from which a projectile is discharged.

5. A jar.

6. (Science: zoology) The hollow basal part of a feather.

(Science: anatomy) barrel bulk, the tympanum, or tympanic cavity. Barrel organ, an instrument for producing music by the action of a revolving cylinder. Barrel vault. See vault.

Origin: oe. Barel, f. Baril, prob. Fr. Barre bar. Cf. Barricade.

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Amoeba Culturing

... it a "rare" pathogen. Not really how sure it is in our environment because I've only see that amoeba in the video in 2 places. An old barrel and a very small pond.

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by amoebaslayer
Wed Aug 08, 2012 11:33 pm
Forum: Microbiology
Topic: Amoeba Culturing
Replies: 10
Views: 10229

Re: Amoeba Culturing

2 places I've seen this amoeba (not sure if it is naegleria or not). I have an old barrel that is metal that stays full of water most of the time. It has been sitting in my yard for about 2 years now. At one time someone used the barrel to burn trash. The other place ...

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by amoebaslayer
Fri Aug 03, 2012 3:07 pm
Forum: Microbiology
Topic: Amoeba Culturing
Replies: 10
Views: 10229

Re: Negative control not negative in RT-PCR

Thanks for the response Canalon... I cleaned my pipettes (the barrel) with 10% bleach and 100% ethanol. I always use filtered tips for my RT-PCR reactions, and I always use fresh (I mean fresh from the machine) water for my PCR, to ensure the water is seeing ...

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by jangajarn
Wed Jul 16, 2008 1:53 pm
Forum: Molecular Biology
Topic: Negative control not negative in RT-PCR
Replies: 3
Views: 10440

Ecological Research

Maybe as the barrel monkey on an IRONEX ship lol You need experience and weight behind you to get into this field, get a Masters behind you then talk to some people...

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by kotoreru
Sun May 20, 2007 3:00 pm
Forum: Ecology
Topic: Ecological Research
Replies: 1
Views: 2349

The Fiber Disease

T2 like small fish in a barrel? Lol Mm

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by Maggie Mae
Tue Jan 16, 2007 11:41 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6266083
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