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Tangent

tangent

(Science: geometry) A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function. Artificial, or Logarithmic, tangent, the logarithm of the natural tangent of an arc. Natural tangent, a decimal expressing the length of the tangent of an arc, the radius being reckoned unity.

(Science: physics) Tangent galvanometer, a form of galvanometer having a circular coil and a short needle, in which the tangent of the angle of deflection of the needle is proportional to the strength of the current. Tangent of an angle, the natural tangent of the arc subtending or measuring the angle. Tangent of an arc, a right line, as ta, touching the arc of a circle at one extremity a, and terminated by a line ct, passing from the center through the other extremity o.

Origin: L. Tangens, -entis, p.pr. Of tangere to touch; akin to Gr. Having seized: cf. F. Tangente. Cf. Attain, Contaminate, Contingent, Entire, Tact, Taste, Tax.

(Science: geometry) Touching; touching at a single point; specifically meeting a curve or surface at a point and having at that point the same direction as the curve or surface; said of a straight line, curve, or surface; as, a line tangent to a curve; a curve tangent to a surface; tangent surfaces.

(Science: geometry) Tangent plane, an endless screw; a worm.

Origin: L. Tangens, -entis, p.pr.


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Bio Research Paper Writing

... on how cytokines work or what is beta amyloid in a college research paper. I guess what I'm trying to say is, in a research paper, do I need to tangent off to explain what topics like cytokines are before I explain the research on cytokines that answers the question....I would think background ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
 
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 1
Views: 11972

Re: Why do Africans have large noses and lips?

You know, this bugs me. And please understand these two things: (1) I know that I am going off on a tangent other than the medical/biological topic at hand and (2) I am not a "racist", or "angry" person of color. However, why doesn't the title on this ...

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by miker00lz
Thu Oct 25, 2012 5:56 am
 
Forum: Human Biology
Topic: Why do Africans have large noses and lips?
Replies: 31
Views: 210694

Re: Why do Africans have large noses and lips?

You know, this bugs me. And please understand these two things: (1) I know that I am going off on a tangent other than the medical/biological topic at hand and (2) I am not a "racist", or "angry" person of color. However, why doesn't the title on this ...

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by JackBean
Mon Oct 08, 2012 11:57 am
 
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adherence to host cell-capsule hindrance

... different capsular polysaccharides will eventually be built by the host, rendering certain strains vulnerable. Sorry, I went off on an immunology tangent, but hopefully this helps.

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by PsycoCarrot
Fri Jul 06, 2012 11:48 pm
 
Forum: Microbiology
Topic: adherence to host cell-capsule hindrance
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Theories - Origin of Life

... that natural selection could not have produced. I can explain why your example of fetal hemoglobin is not evidence against natural selection: <tangent> In the course of the (random) gene duplications that led to the present series of hemoglobin genes, certain sequences were positively selected ...

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by Luxorien
Sun Mar 11, 2012 6:13 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
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