Dictionary » H » Hood

Hood

Hood

1. State; condition. How could thou ween, through that disguised hood to hide thy state from being understood? (Spenser)

2. A covering or garment for the head or the head and shoulders, often attached to the body garment; especially: a soft covering for the head, worn by women, which leaves only the face exposed.

a part of a monks outer garment, with which he covers his head; a cowl. All hoods make not monks. .

a like appendage to a cloak or loose overcoat, that may be drawn up over the head at pleasure.

An ornamental fold at the back of an academic gown or ecclesiastical vestment; as, a masters hood.

a covering for a horses head.

(Science: veterinary) a covering for a hawks head and eyes.

3. Anything resembling a hood in form or use; as: The top or head of a carriage.

a chimney top, often contrived to secure a constant draught by turning with the wind.

a projecting cover above a hearth, forming the upper part of the fireplace, and confining the smoke to the flue.

The top of a pump.

a covering for a mortar.

(Science: botany) a covering or porch for a companion hatch.

4. The endmost plank of a strake which reaches the stem or stern.

Origin: oe. Hood, hod, as. Hod; akin to D. Hoed hat, g. Hut, OHG. Huot, also to E. Hat, and prob. To E. Heed.


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Re: When is it okay to call a scientist a whore?

... advice is to get the 11-foot pole from one's quartermaster before touching "Biology-Online" in any way. Mere gloves, goggles, and fume hood seems insufficient protection from so much toxicity.

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by packetfire
Mon Oct 14, 2013 3:38 pm
 
Forum: General Discussion
Topic: When is it okay to call a scientist a whore?
Replies: 79
Views: 78084

How to maintain sterility while preparing petri dishes

... post: I was a bit in a hurry when replying, so I noticed only now that you are not doing this in a university lab or similar, so maybe the laminar hood falls into the same category as the autoclave :P Anyway, now as I realized that the agar was not autoclaved but boiled, it could indeed be the ...

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by biohazard
Mon Jun 24, 2013 8:56 am
 
Forum: Microbiology
Topic: How to maintain sterility while preparing petri dishes
Replies: 8
Views: 4583

How to maintain sterility while preparing petri dishes

... the agar and using sterile plastic or autoclaved Petri dishes is essential. In addition to that, pouring the agar should be done in a laminar flow hood, which essentially eliminates the issue of airborne bacteria or other contaminants. For some of our courses we prepare like 1000 agar plates this ...

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by biohazard
Mon Jun 24, 2013 7:12 am
 
Forum: Microbiology
Topic: How to maintain sterility while preparing petri dishes
Replies: 8
Views: 4583

Re: glass cuvette cleaning

... up in rubber boots, gloves, face shield and rubber apron and soaking the glass in a mixture of concentrated sulfuric and chromic acids in a fume hood, followed by extensive washing. ** end of the clean glassware story ** You will not need to go to this extent to clean the turbidity meter. You ...

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by jonmoulton
Tue Mar 06, 2012 4:50 pm
 
Forum: General Discussion
Topic: glass cuvette cleaning
Replies: 2
Views: 3415

Fungus growing on agar plates. contamination??

the source of the contamination would be from air since you said you didnt pour it under the hood. It might also be from the plate or the media which was not properly sterilized. Its okay not to wear gloves but be sure to disinfect you hands and do proper aseptic technique. ...

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by michimichi
Wed Jan 25, 2012 8:24 am
 
Forum: Microbiology
Topic: Fungus growing on agar plates. contamination??
Replies: 17
Views: 14388
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