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Trap

trap

(Science: geology) An old term rather loosely used to designate various dark-coloured, heavy igneous rocks, including especially the feldspathic-augitic rocks, basalt, dolerite, amygdaloid, etc, but including also some kinds of diorite. Called also trap rock. Trap tufa, Trap tuff, a kind of fragmental rock made up of fragments and earthy materials from trap rocks.

Origin: Sw. Trapp; akin to trappa stairs, Dan. Trappe, G. Treppe, D. Trap; so called because the rocks of this class often occur in large, tabular masses, rising above one another, like steps. See Tramp.

1. A machine or contrivance that shuts suddenly, as with a spring, used for taking game or other animals; as, a trap for foxes. She would weep if that she saw a mouse Caught in a trap. (Chaucer)

2. A snare; an ambush; a stratagem; any device by which one may be caught unawares. Let their table be made a snare and a trap. (Rom. Xi. 9) God and your majesty Protect mine innocence, or I fall into The trap is laid for me! (Shak)

3. A wooden instrument shaped somewhat like a shoe, used in the game of trapball. It consists of a pivoted arm on one end of which is placed the ball to be thrown into the air by striking the other end. Also, a machine for throwing into the air glass balls, clay pigeons, etc, to be shot at.

4. The game of trapball.

5. A bend, sag, or partitioned chamber, in a drain, soil pipe, sewer, etc, arranged so that the liquid contents form a seal which prevents passage of air or gas, but permits the flow of liquids.

6. A place in a water pipe, pump, etc, where air accumulates for want of an outlet.

7. A wagon, or other vehicle.

8. A kind of movable stepladder. Trap stairs, a staircase leading to a trapdoor.

(Science: botany) Trap tree the jack; so called because it furnishes a kind of birdlime. See 1st Jack.

Origin: OE. Trappe, AS. Treppe; akin to OD.trappe, OHG. Trapo; probably fr. The root of E. Tramp, as that which is trod upon: cf. F. Trappe, which is trod upon: cf. F. Trappe, which perhaps influenced the English word.


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Humane way of treating mice infestation?

... like we have here in AU out into some paddock/ field it will survive no worries, as for killing them humanely I would say just a common old mouse trap would do the trick DON'T use ratsac as it is not only bioaccumulative but it is also not a humane way of dispatching mice or any rodent for that ...

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by vk4vfx
Fri Sep 28, 2012 10:51 am
 
Forum: Zoology Discussion
Topic: Humane way of treating mice infestation?
Replies: 2
Views: 2430

Re: Theories - Origin of Life

... you didn't think beneficial mutations sufficient to account for complex adaptations. By "functional phenotype" you mean the whole mouse trap, not just a piece of it. It sounds like what you're saying is that natural selection can't account for complex structures like eyes and blood clotting ...

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by Luxorien
Sun Sep 23, 2012 6:57 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 559
Views: 758384

Extracting proteins from foliage

Jack, Won't membranes also trap any undesirable large species with the protein fraction? Thought it was better to precipitate proteins out selectively.

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by Jeanmaxwell
Fri May 18, 2012 12:10 am
 
Forum: Botany Discussion
Topic: Extracting proteins from foliage
Replies: 4
Views: 1907

Amoeba, Paramecium, Diatom

... on other microscopic organisms like algae and ciliates. These are ingested into the cell by pseudopodia or false feet, they surround the prey and trap it in tiny drop of water forming food vacuole. I think Paramecium are found in freshwater ponds, lakes, streams, rivers and puddles. Some can even ...

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by Ayeshaa
Thu May 10, 2012 3:14 am
 
Forum: Microbiology
Topic: Amoeba, Paramecium, Diatom
Replies: 0
Views: 5641

Amoeba, Paramecium, Diatom

... on other microscopic organisms like algae and ciliates. These are ingested into the cell by pseudopodia or false feet, they surround the prey and trap it in tiny drop of water forming food vacuole. I think Paramecium are found in freshwater ponds, lakes, streams, rivers and puddles. Some can even ...

See entire post
by Ayeshaa
Tue May 08, 2012 2:31 pm
 
Forum: Botany Discussion
Topic: Amoeba, Paramecium, Diatom
Replies: 0
Views: 4809
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