polar
adjective
uk/ˈpəʊ.lər/us/ˈpoʊ.lɚ/polaradjective(PLACE)
relatingto theNorthorSouthPoleor theareasaround them:
两极的;近两极的the polaricecaps极地冰冠
polarexplorers
- 129 mendisappearedon thisill-fatedpolarexpedition.
- Theterriblebeautyof the polarregionshasfascinatedmany.
- Wetrackedseasonalchanges, such as thecomingsand goings of polarice,clouds, andduststorms.
- Warmairfrom thesouthcollideswith polarairfrom thenorth.
Countries, nationalities & continents: continents & regions of the world
- Afrocentric
- Afrocentrism
- amazonian
- Antarctica
- Antipodean
- Australasian
- Caribbean
- Iberian
- Lapland
- lat.
- LATAM
- Latin America
- latitudinal
- longitude
- parallel
- pole
- the Far East
- the prime meridian
- the Tropic of Cancer
- tropical
polaradjective(OPPOSITE)
Polaroppositesarecompleteopposites:
截然相反的Thenoveldealswith the polaroppositesofloveandhate.这部小说涉及爱和恨的两个对立面。
completely different
- oppositeTheir two daughters may look alike, but they are completely opposite to one another.
- polar oppositesLove and hate are polar opposites.
- identicalHis opinions are identical to his spouse's.
- antitheticalHis actions were absolutely antithetical to our code of conduct.
- converseIf we ask what a citizen must sacrifice for the good of the nation, we must ask the converse question: what will the nation sacrifice for the good of its citizens?
- Hebecomesincreasinglydrawnintotheirexcitinglives, the polaroppositeof hislonelyone.
- Onissuesincludingabortionandgayrightshestandsin polaroppositionto thesociallyliberalmainstreamof hisparty.
- Herepresentsanalmostpolarcontrastto hisbrother.
Opposites
- antinome
- antithesis
- antithetical
- antonymous
- anything
- converse
- counterpose
- dichotomous
- dichotomy
- exactly
- flip side
- go into reverseidiom
- inverse
- or otherwiseidiom
- otherwise
- polarity
- pole
- poles apartidiom
- reverse
- vice versa
polaradjective(maths)
mathematicsspecialized
relatingtopoles(= the twopointsat which astraightlinethrough thecentreof acirclecutsthesurfaceof asphere):
It isbestto use polarcoordinatestolocatepointsin theplane.
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
- sine
polar
noun[C]
mathematicsspecializeduk/ˈpəʊ.lər/us/ˈpoʊ.lɚ/astraightlineat anangleof 90degreesto anotherlinethatpassesthrough thecentreof acircleand another givenpoint:
Given acirclec withcenterO and apointP, there is aspeciallinecalled the polar of P.
Geometry: parts of geometrical shapes
- -sided
- angle
- axis
- bulky
- chord
- conic
- corresponding sides
- frustum
- hemisphere
- hypotenuse
- perimeter
- plane
- quadrant
- section
- symmetrical
- symmetrically
- symmetry
- tan
- ultra-dense
- vertex