Dictionary » H » Hammer



1. An instrument for driving nails, beating metals, and the like, consisting of a head, usually of steel or iron, fixed crosswise to a handle. With busy hammers closing rivets up. (Shak)

2. Something which in firm or action resembles the common hammer; as: That part of a clock which strikes upon the bell to indicate the hour.

The padded mallet of a piano, which strikes the wires, to produce the tones.

(Science: anatomy) That part of a gunlock which strikes the percussion cap, or firing pin; the cock; formerly, however, a piece of steel covering the pan of a flintlock musket and struck by the flint of the cock to ignite the priming.

also, a person of thing that smites or shatters; as, St. Augustine was the hammer of heresies. He met the stern legionaries [of Rome] who had been the massive iron hammers of the whole earth. (j. H. Newman) atmospheric hammer, a dead-stroke hammer in which the spring is formed by confined air. Drop hammer, face hammer, etc. See drop, face, etc. Hammer fish. See hammerhead. Hammer hardening, the process of hardening metal by hammering it when cold.

(Science: zoology) hammer shell, any species of malleus, a genus of marine bivalve shells, allied to the pearl oysters, having the wings narrow and elongated, so as to give them a hammer-shaped outline; called also hammer oyster. To bring to the hammer, to put up at auction.

Origin: oe. Hamer, as. Hamer, hamor; akin to D. Hamer, g. & dan. Hammer, Sw. Hammare, Icel. Hamarr, hammer, crag, and perh. To gr. Anvil, Skr. Aman stone. The ossicle attached to the eardrum.The common term to the bone in the ear called the [[malleus.

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Method preventing illnesses in the progeny

... to be convinced, that the researchers can sometimes get rid of cancer cells and from a tumor how to get rid of signal light bulb by means of a hammer, but not from of cause, which have generated illness, her inevitable return after treatment and death of an organism. Coming back to a problem ...

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by valentindolzhenko
Sun Jan 08, 2012 4:26 pm
Forum: Physiology
Topic: Method preventing illnesses in the progeny
Replies: 3
Views: 8759

Re: Theories - Origin of Life

... by selective interpretation. Your strategy is the same as that used by creationists: ignore or discount the majority of human knowledge and try to hammer the remaining minority into the square hole of what you want to be true. I have no problem for you to believe whatever you want (since you don't ...

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by wbla3335
Thu Dec 22, 2011 12:01 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929706

Chemotherapy Drugs Taxol (paclitaxel) & Carboplatin

... of subsequent cancer elsewhere may have to be one of those trade offs that has to be made, alas. In general, chemotherapy is a bit of a 'crude hammer' to deal with cancer, as it attacks so many normal dividing cells as well (including, of course, all the fast-replicating cells of the intestine, ...

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by Julie5
Sat Nov 06, 2010 5:02 pm
Forum: Human Biology
Topic: Chemotherapy Drugs Taxol (paclitaxel) & Carboplatin
Replies: 1
Views: 5851

How Woodpecker skull evolved

I don't quite understand the whole claim that the first woodpecker would have died of brain damage - surely the first pecker around didn't hammer around like the modern day woodpeckers do. Perhaps it merely tried to knock the wood now and then to gain access to some insect larva living under ...

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by biohazard
Wed Oct 20, 2010 12:08 pm
Forum: Evolution
Topic: How Woodpecker skull evolved
Replies: 2
Views: 5711

How Woodpecker skull evolved

... first ancestor of the woodpeckers we know today had to start somewhere, how indeed did that first woodpecker keep from damaging his brain when he hammered a tree? My guess is it started out as the usual pecking behavior, and through natural selection, became a stronger and stronger trait to have ...

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by jaebaeli
Wed Oct 20, 2010 4:40 am
Forum: Evolution
Topic: How Woodpecker skull evolved
Replies: 2
Views: 5711
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