In this article, we will see a list of various Japanese words related to the study of physics and mathematics. Like any discipline, some terms tend to be more specific and less known to the general public and students.
We recommend reading: Suugaku โ What is Japanese mathematics like?

With the aim of increasing the vocabulary of those learning Japanese, we will display this list.
Mathematics Vocabulary
- Suugaku – ๆฐๅญฆ (ใใใใ) = Mathematics.
- Kokuban – ้ปๆฟ (ใใใฐใ) = Blackboard.
- Kikagaku – ๅนพไฝๅญฆ (ใใใใ) = Geometry.
- Kikagakuteki – ๅนพไฝๅญฆ็ (ใใใใใฆใ) = Geometric.
- Sansuu – ็ฎๆฐ (ใใใใ) = Arithmetic.
- Keisan Suru – ่จ็ฎใใ (ใใใใใใ) = Calculate.
- Suuji – ๆฐๅญ (ใใใ) = Number.
- Purasu – ใใฉใน = Plus.
- Mainasu – ใใคใใน = Minus.
- Kakeru – ๆใใ (ใใใ) = Multiplied by.
- Waru – ๅฒใ (ใใ) = Divided by.
- Ikooru – ใคใณใผใซ = Equal to.
- Kazoeru – ๆฐใใ (ใใใใ) = Count.
- Tasu – ่ถณใ (ใใ) = Add.
- Hiku – ๅผใ (ใฒใ) = Subtract.
- Kakeru – ๆใใ (ใใใ) = Multiply.
- Waru – ๅฒใ (ใใ) = Divide.
- Shishagonyuu suru – ๅๆจไบๅ ฅใใ (ใใใใใซใ ใใใ) = Round.
- Suushiki – ๆฐๅผ (ใใใใ) = Equation.
- Hyaku bun ritsu – ็พๅ็ (ใฒใใใถใใใค) = Percentage.
- Sankaku Jougi – ไธ่งๅฎ่ฆ (ใใใใใใใใ) = Triangle ruler.
- Bundoki – ๅๅบฆๅจ (ใถใใฉใ) = Protractor.
- Jougi – ๅฎ่ฆ (ใใใใ) = Ruler.
- Konpasu – ใณใณใใน = Compass.
- Dentaku – ้ปๅ (ใงใใใ) = Calculator.
- Keisanki – ่จ็ฎๆฉ (ใใใใใ) = Calculator.
- Taiseki – ไฝ็ฉ (ใใใใ) = Volume.
- Bunsuu – ๅๆฐ (ใถใใใ) = Fraction.
- Bunshi – ๅๅญ (ใถใใ) = Numerator.
- Bunbo – ๅๆฏ (ใถใใผ) = Denominator.
- Sunpou – ๅฏธๆณ (ใใใฝใ) = Dimensions.
- Takasa – ้ซใ (ใใใ) = Height.
- Okuyuki – ๅฅฅ่กใ (ใใใใ) = Depth.
- Haba – ๅน (ใฏใฐ) = Width.
- Nagasa – ้ทใ (ใชใใ) = Length.
- Menseki – ้ข็ฉ (ใใใใ) = Area.
- Chokusen – ็ด็ท (ใกใใใใ) = Line.
- Heikousen – ๅนณ่ก็ท (ใธใใใใใ) = Parallel lines.
- Suichokusen – ๅ็ด็ท (ใใใกใใใใ) = Perpendicular.
- Kyokusen – ๆฒ็ท (ใใใใใ) = Curve.
- Chuushin – ไธญๅฟ (ใกใ ใใใ) = Center.
- Chokkei – ็ดๅพ (ใกใใฃใใ) = Diameter.
- Enshuu – ๅๅจ (ใใใใ ใ) = Circumference.
- Enko – ๅๅผง (ใใใ) = Arc.
- Hankei – ๅๅพ (ใฏใใใ) = Radius.
- Taikakusen – ๅฏพ่ง็ท (ใใใใใใ) = Diagonal.
- Shahen – ๆ่พบ (ใใใธใ) = Hypotenuse.
- Kakudo – ่งๅบฆ (ใใใฉ) = Angle.
- Base – ๅบ้ข (ใฆใใใ) = Base.
- Men – ้ข (ใใ) = Side, Face.
- Chouten – ้ ็น (ใกใใใฆใ) = Vertex.
- En – ๅ (ใใ) = Circle.
- Enkei – ๅๅฝข (ใใใใ) = Circle.
- Marui – ไธธใ๏ผๅใ (ใพใใ) = Round, Circle.
- Daenkei – ๆฅๅๅฝข (ใ ใใใใ) = Oval.
- Shikakkei – ๅ่งๅฝข (ใใใฃใใ) = Square.
- Chouhoukei – ้ทๆนๅฝข (ใกใใใปใใใ) = Rectangle.
- Sankakkei – ไธ่งๅฝข (ใใใใฃใใ) = Triangle.
- Heikoushihenkei – ๅนณ่กๅ่พบๅฝข (ใธใใใใใธใใใ) = Parallelogram.
- Hishigata – ่ฑๅฝข (ใฒใใใ) = Rhombus.
- Daikei – ๅฐๅฝข (ใ ใใใ) = Trapezoid.
- Gokakkei – ไบ่งๅฝข (ใใใฃใใ) = Pentagon.
- Rokkakukei ou Rokkakkei -ๅ ญ่งๅฝข (ใใฃใใใใ) = Hexagon.
- Hakkakkei – ๅ ซ่งๅฝข (ใฏใฃใใฃใใ) = Octagon.
- Ensui – ๅ้ (ใใใใ) = Cone.
- Enchuu – ๅๆฑ (ใใใกใ ใ) = Cylinder.
- Rippoutai – ็ซๆนไฝ (ใใฃใฝใใใ) = Cube.
- Kakusui – ่ง้ (ใใใใ) = Pyramid.
- Kyuu – ็ (ใใ ใ) = Sphere.
- Rittai – ็ซไฝ (ใใฃใใ) = Three-dimensional object.
- Rittaiteki – ็ซไฝ็ (ใใฃใใใฆใ) = Three-dimensional.
- Rittaiteki ni – ็ซไฝ็ใซ (ใใฃใใใฆใใซ) = Three-dimensionally.
- Hyouka – ่ฉไพก (ใฒใใใ) = Estimation, Evaluation.
- Byou – ็ง (ใณใใ) = Seconds.
- Hyou – ่กจ (ใฒใใ) = Table, Chart.
- Senchi – ใปใณใ = Centimeter.
- Inchi – ใคใณใ = Inch.
- Ton – ใใณ = Tons.
- Tate – ใใฆ = Length (of an object).
- Yoko – ใใ = Width (of an object).
- Zero -ใผใญ = Zero.
- Nanbaa – ใใณใใผ = Number.
Physics Vocabulary

- Butsuri – ็ฉ็ (ใถใคใ) = Physics.
- Butsurigaku – ็ฉ็ๅญฆ (ใถใคใใใ) = Physics (the discipline).
- Butsurigakusha – ็ฉ็ๅญฆ่ (ใถใคใใใใใ) = Physicist (an academic or scholar).
- Mangekyou – ไธ่ฏ้ก (ใพใใใใใ) = Kaleidoscope.
- Shigaisen – ็ดซๅค็ท (ใใใใใ) = Ultraviolet ray.
- Sekigaisen – ่ตคๅค็ท (ใใใใใใ) = Infrared radiation.
- Ippan Soutai Seiriron – ไธ่ฌ็ธๅฏพๆง็่ซ (ใใฃใฑใใใใใใใใใใ) = General theory of relativity.
- Uchuu – ๅฎๅฎ (ใใกใ ใ) = Universe, space.
- Eeteru – ใจใผใใซ = Ether (Luminiferous Ether).
- Kaisekirikigaku – ่งฃๆๅๅญฆ (ใใใใใใใใ) = Analytical mechanics.
- Kaisetsu – ๅๆ (ใใใใค) = Diffraction.
- Kakusan – ๆกๆฃ (ใใใใ) = Diffusion.
- Kanshou – ๅนฒๆธ (ใใใใใ) = Interference.
- Kihonsougosayou – ๅบๆฌ็ธไบไฝ็จ (ใใปใใใใใใใ) = Fundamental interaction.
- Yottsu no Chikara – ๅใคใฎๅ (ใใฃใคใฎใกใใ) = The 4 forces of nature.
- Kyuushinryoku – ๆฑๅฟๅ = ใใ ใใใใใใ = Centripetal force.
- Gouryoku – ๅๅ (ใใใใใ) = Resultant force.
- Kussetsu – ๅฑๆ (ใใฃใใค) = Refraction.
- Kougaku – ๅ ๅญฆ (ใใใใ) = Optics (the field of study).
- Kousoku – ๅ ้ (ใใใใ) = Speed of light.
- Kougen – ๅ ๆบ (ใใใใ) = Light source.
- Kokutai – ้ปไฝ (ใใใใ) = Black body.
- Kakuhoyuu – ๆ ธไฟๆ (ใใใปใใ) = Nuclear.
- Genshiro – ๅๅญ็ (ใใใใ) = Atomic reactor.
- Genshi – ๅๅญ (ใใใ) = Atom.
- Genshikaku – ๅๅญๆ ธ (ใใใใใ) = Atomic nucleus.
- Roshin – ็ๅฟ (ใใใ) = Reactor core.
- Housha – ๆพๅฐ (ใปใใใ) = Radiation (emission of radiation).
- Rentogen Satsueiki – ใฌใณใใฒใณๆฎๅฝฑๆฉย (ใฌใณใใฒใณใใคใใใ) = X-ray machine.
- Rentogen – ใฌใณใใฒใณ = X-ray.
- Ekkususen – ใจใใฏใน็ท (ใจใใฏในใใ) = X-ray.
- Denri houshasen – ้ป้ขๆพๅฐ็ท (ใงใใใปใใใใใ) = Ionizing radiation.
- Housha sentai – ๆพๅฐ็ทๅธฏ (ใปใใใใใใใ) = Beta radiation.
- Sekigai – ่ตคๅค (ใใใใ) = Infrared.
- Shigai – ็ดซๅค (ใใใ) = Ultraviolet.
- Chuuseishi – ไธญๆงๅญ (ใกใ ใใใใ) = Neutron.
- Denji – ้ป็ฃ (ใงใใ) = Electromagnetic.
- Denjisupekutoru – ้ป็ฃในใใฏใใซ (ใงใใใใบใใจใ) = Electromagnetic spectrum.
- Koten rikigaku – ๅคๅ ธๅๅญฆ (ใใฆใใใใใ) = Classical mechanics.
- Ryou shiron – ้ๅญ่ซ (ใใใใใใ) = Quantum theory.
- Jishouchiheimen – ไบ่ฑกๅฐๅนณ้ข (ใใใใใกใธใใใ) = Event horizon (inside a black hole).
- Jishouchiheisen – ไบ่ฑกๅฐๅนณ็ท (ใใใใใกใธใใใ) = Event horizon (inside a black hole).
- Jisei – ็ฃๆง (ใใใ) = Magnetism.
- Jiba – ็ฃๅ ด (ใใฐ) = Magnetic field.
- Juuryoku – ้ๅ (ใใ ใใใใ) = Gravity.
- Banyuu inryoku – ไธๆๅผๅ( ใฐใใใใใใใใ) = Universal gravitation.
- Taiyou denchi – ๅคช้ฝ้ปๆฑ (ใใใใใงใใก) = Photovoltaic cell.
- Shureedingaa no neko – ใทใฅใฌใผใใฃใณใฌใผใฎ็ซ (ใทใฅใฌใผใใฃใณใฌใผใฎใญใ) = Schrรถdinger’s cat.
- Shureedingaa houteishiki – ใทใฅใฌใผใใฃใณใฌใผๆน็จๅผ (ใทใฅใฌใผใใฃใณใฌใผใปใใฆใใใ) = Schrรถdinger equation.
- Supin kakuun douryou – ในใใณ่ง้ๅ้ (ในใใณใใใใใฉใใใใ) = Spin angular momentum.
- Supin – ในใใณ = Spin.
- Setsudou – ๆๅ (ใใคใฉใ) = Perturbation (Physics).
- Setsudouron – ๆๅ่ซ (ใใคใฉใใใ) = Perturbation theory.
- Soutaironteki ryoushirikigaku – ็ธๅฏพ่ซ็้ๅญๅๅญฆ (ใใใใใใใฆใใใใใใใใใ) = Relativistic quantum mechanics.
- Ryoushirikigaku – ้ๅญๅๅญฆ (ใใใใใใใใ) = Quantum mechanics.
- Soutairon – ็ธๅฏพ่ซ (ใใใใใใ) = Theory of relativity.
- Riron – ็่ซ (ใใใ) = Theory.
- Soryuushi – ็ด ็ฒๅญ (ใใใ ใใ) = Elementary particle.
- Ryuushi – ็ฒๅญ (ใใ ใใ) = Particle.
- Mijin – ๅพฎๅกต (ใฟใใ) = Particle, Dust, Very small part of something.
- Daichi genri – ็ฌฌไธๅ็ (ใ ใใใกใใใ) = First principle.
- Genri – ๅ็ (ใใใ) = Principle.
- Dirakku houteishiki – ใใฃใฉใใฏๆน็จๅผ (ใใฃใฉใใฏใปใใฆใใใ) = Dirac equation.
- Houteishiki – ๆน็จๅผ (ใปใใฆใใใ) = Equation, Formula.
- Denka – ้ป่ท (ใงใใ) = Electric charge.
- Denki – ้ปๆฐ (ใงใใ) = Electricity.
- Denshi – ้ปๅญ (ใงใใ) = Electron.
- Denjikigaku – ้ป็ฃๆฐๅญฆ (ใงใใใใใ) = Electromagnetism.
- Denryou – ้ปๅ (ใงใใใใ) = Electric power.
- Hatsuden – ็บ้ป (ใฏใคใงใ) = Generation (energy).
- Denkikougaku – ้ปๆฐๅทฅๅญฆ (ใงใใใใใใ) = Electrical engineering.
- Denjiha – ้ป็ฃๆณข (ใงใใใฏ) = Electromagnetic wave.
- Denjiba – ้ป็ฃๅ ด (ใงใใใฐ) = Electromagnetic field.
- Denba – ้ปๅ ด (ใงใใฐ) = Electric field.
- Nyuuton rikigaku – ใใฅใผใใณๅๅญฆ(ใใฅใผใใณใใใใ) = Newtonian mechanics.
- Netsu – ็ฑ (ใญใค) = Heat.
- Koudou – ่กๅ (ใใใฉใ) = Movement, Action.
- Han’nou – ๅๅฟ (ใฏใใฎใ) = Reaction.
- Netsurikigaku – ็ฑๅๅญฆ (ใญใคใใใใ) = Thermodynamics.
- Nendo – ็ฒๅบฆ (ใญใใฉ) = Viscosity.
- Pauri no haitagenri – ใใฆใชใฎๆไปๅ็ (ใใฆใชใฎใฏใใใใใ) = Pauli exclusion principle.
- Hadou kansuu – ๆณขๅ้ขๆฐ (ใฏใฉใใใใใ) = Wave function.
- Hadou houteishiki – ๆณขๅๆน็จๅผ (ใฏใฉใใปใใฆใใใ) = Wave equation.
- Ba no ryoushiron – ๅ ดใฎ้ๅญ่ซ (ใฐใฎใใใใใใ) = Quantum field theory.
- Hamirutonian – ใใใซใใใขใณ = Hamiltonian.
- Hamiruton rikigaku – ใใใซใใณๅๅญฆ (ใใใซใใณใใใใ) = Hamiltonian mechanics.
- Hansha – ๅๅฐ (ใฏใใใ) = Reflection.
- Hyoumen chouryoku – ่กจ้ขๅผตๅ (ใฒใใใใใกใใใใใ) = Surface tension.
- Ferumiryuushi – ใใงใซใ็ฒๅญ (ใใงใซใใใ ใใ) = Fermion.
- Fukakuteisei Genri – ไธ็ขบๅฎๆงๅ็ (ใตใใใฆใใใใใใ) = Uncertainty principle.
- Butsuri Housoku – ็ฉ็ๆณๅ (ใถใคใใปใใใ) = Physical laws.
- Buraun Undou – ใใฉใฆใณ้ๅ (ใใฉใฆใณใใใฉใ) = Brownian motion.
- Burakku Hooru – ใใฉใใฏใใผใซ = Black hole.
- Puranku no Housoku – ใใฉใณใฏใฎๆณๅ (ใใฉใณใฏใฎใปใใใ) = Planck’s law.
- Hendorikku Roorentsu – ใใณใใชใใฏใปใขใณใใผใณใปใญใผใฌใณใ = Hendrik Lorentz.
- Jeemuzu Kuraaku Makusueru – ใธใงใผใ ใบใปใฏใฉใผใฏใปใใฏในใฆใงใซ = James Clerk Maxwell.
- Niirusu Booa – ใใผใซในใปใใณใชใฏใปใใดใฃใใปใใผใข = Niels Bohr.
- Makkusu Puranku – ใใใฏในใปใซใผใซใปใจใซใณในใใปใซใผใใดใฃใใปใใฉใณใฏ = Max Planck.
- Enriko Ferumi – ใจใณใชใณใปใใงใซใ = Enrico Fermi.
- Maikeru Faradee – ใใคใฑใซใปใใกใฉใใผ = Michael Faraday.
- Saa Aizakku Nyuuton – ใตใผใปใขใคใถใใฏใปใใฅใผใใณ = Sir Isaac Newton.
- Ainshutain – ใขใคใณใทใฅใฟใคใณ = Einstein.
- Shureedingaa – ใทใฅใฌใผใใฃใณใฌใผ = Schrรถdinger.
- Boosu ryuushi – ใใผใน็ฒๅญ (ใใผในใใ ใใ) = Boson.
- Makusueru no Houteishiki – ใใฏในใฆใงใซใฎๆน็จๅผ (ใใฏในใฆใงใซใฎใปใใฆใใใ) = Maxwell’s equations.
- Youshi – ้ฝๅญ (ใใใ) = Proton.
- Puroton – ใใญใใณ = Proton.
- Rikigaku – ๅๅญฆ (ใใใใ) = Dynamics.
- Ryuutairikigaku – ๆตไฝๅๅญฆ (ใใ ใใใใใใใ) = Fluid mechanics.
- Ryoushijoutai – ้ๅญ็ถๆ (ใใใใใใใใใ) = Quantum state.
- Tenmondai – ๅคฉๆๅฐ (ใฆใใใใ ใ) = Astronomical observatory.
- Tenmon – ๅคฉๆ (ใฆใใใ) = Astronomy.
- Koukuu Uchuukyoku – ่ช็ฉบๅฎๅฎๅฑ (ใใใใใใกใ ใใใใ) = NASA (National Aeronautics and Space Administration).
- Tensai – ๅคฉๆ (ใฆใใใ) = Genius.
- Chidousetsu – ๅฐๅ่ชฌ (ใกใฉใใใค) = Heliocentrism, Heliocentric Theory.
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