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单词 tangent
释义
tangent
noun[C]
mathematicsspecialized
uk
/ˈtæn.dʒənt/us
/ˈtæn.dʒənt/

tangentnoun[C](CIRCLE)

astraightlinethattouchesbut does notcutinto acurve
切线
picture of tangent
/GettyImages
SMART Vocabulary: related words and phrases
Geometry: describing angles, lines & orientations
  • acute
  • angle of incidence
  • angularity
  • antinode
  • asymptote
  • asymptotic
  • bisector
  • circuitous
  • equilateral
  • indirect
  • non-planar
  • noncollinear
  • obliquely
  • obtuse
  • orthogonal
  • osculate
  • projection
  • prominent
  • rectilinear
  • reflection
See more results »

tangentnoun[C](TRIANGLE)

(written abbreviationtan)
(in atrianglethat has oneangleof 90°) theratioof thelengthof thesideoppositeanangleless than 90°dividedby thelengthof theshorterof the twosidesthat are next to theangle
正切
Compare
cosinespecialized
sinespecialized
SMART Vocabulary: related words and phrases
Geometry: describing angles, lines & orientations
  • acute
  • angle of incidence
  • angularity
  • antinode
  • asymptote
  • asymptotic
  • bisector
  • circuitous
  • equilateral
  • indirect
  • non-planar
  • noncollinear
  • obliquely
  • obtuse
  • orthogonal
  • osculate
  • projection
  • prominent
  • rectilinear
  • reflection
See more results »

Idiom

go off on a tangent
(Definition oftangentfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

tangent| American Dictionary

tangent
noun[C]
us
/ˈtæn·dʒənt/

tangentnoun[C](DIFFERENT SUBJECT)

asubjectoractivitythat is different than the one you aretalkingabout or doing:
We weretalkingaboutexerciseand got off on a tangent.

tangentnoun[C](MATH)

trigonometry
in atrianglethat has oneangleof 90°, theratio(=comparison)of thelengthof thesideoppositeanangleless than 90°dividedby thelengthof theshorterof the twosidesthat are next to theangle
geometry
A tangent is also alinethattouchesacurveorsolidat aparticularpoint.
(Definition oftangentfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesoftangent

tangent
Similarly, the second of equations (30) yields equation (32) and the inequality (33)with thetangentreplaced by the minus cotangent.
From theCambridge English Corpus
For a given trajectory (that is, given the initial conditions at the source), the maximum possible fundamental occurs when the trajectory has a verticaltangent.
From theCambridge English Corpus
The concept of visibletangentlinks can be extended to arbitrary shaped obstacles.
From theCambridge English Corpus
Thetangentvectors are scaled to a fixed length.
From theCambridge English Corpus
Instead of using the action ontangentvectors, we use the action on pairs oftangentvectors.
From theCambridge English Corpus
In particular, it will become important to show that their unittangentvectors form a set of measure zero in the unittangentbundle.
From theCambridge English Corpus
We will also need to comparetangentspaces at nearby points.
From theCambridge English Corpus
In order to make it competitive it must be combined with some other algorithm that reduces the number oftangentdistance comparisons to make.
From theCambridge English Corpus
In this bifurcation the geometrical splitting of thetangentspace is preserved but the expansion in the unstable direction degenerates near a periodic orbit.
From theCambridge English Corpus
The theoretical curves follow closely the dashed and dash-dotted numerical curves, and the abrupt change intangentangle appears to fit almost exactly.
From theCambridge English Corpus
The metric g determines the isomorphism of thetangentand cotangent bundles.
From theCambridge English Corpus
One can see that the edge segmentstangentto the circles intersected by each of these lines have a constant orientation.
From theCambridge English Corpus
Thetangentis inclined downward, so the local effect of the magnetic field is stabilizing.
From theCambridge English Corpus
Theorem 3.6 covers the situation where all the sheets coincide, as opposed to merely beingtangent.
From theCambridge English Corpus
By the unique integrability of these laminations, it is enough to deal with theirtangentdistributions.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/tangent##
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更新时间：2024/12/28 10:45:16