理科术语英文

数学（107个）：词汇释义assumethat假设approximation近似，近似值absolutevalue绝对值acute锐（角）adjacentangle邻角alternateangles内错角angle角area面枳arithmeticsequenee等差数列assumption假设asymptote渐近线atrandom随机地average平均的axis轴base底面，底数内接于内接于二项式圆周长顺时针的（等差数列的）公差公约数（等比数列的）公比公倍数合数圆锥全等的不变的；常数坐标立方体立方根圆柱体beinscribedinbinomialcirclecircumfereneeclockwisecommondiffereneecommondivisorcommonratiocommonmultiplecompositenumberconecongruentconstantcoordinatecubecuberootcylinder

decimal小数diagonal对角线digit数字，位divide除divisible可整除的domain定义域eccentricity离心率elipse椭圆equilateral等边的even偶的expotent指数fraction分数function函数geometricsequenee等比数列hyperbola双曲线inequality不等式infinite无穷的

integer整数intercept截距interiorangle内角intersect相交irrationalnumber无理数isosceles等腰的majoraxis长轴mean平均数median中数minoraxis短轴minus减mode众数multiply乘negative负的numberline数轴obtuse钝（角）odd奇的

originofcoordinates原点parallel平行的parallelogram平行四边形perimeter周长perpendicular垂直的plus加polynomial多项式positive正的primenumber质数probability概率product积proportion比例quadruple四倍的quotient商radian弧度radius半径range值域rationalnumber有理数reciprocal倒数rectangle矩形right直（角）scalene不等边的，不等边一角形section截面sector扇形segment线段similar相似的slope斜率sphere球体square正方形squareroot平方根standarddeviation标准差sum和tangent相切term项translate移动trapezoid梯形triangle三角形triple三倍value值vector矢量vertex顶点物理（127个）词汇释义acceleration加速度anion阴离子ammeter安培表amplitude振幅band条，带bar条，带bombard轰击cation阳离子capacitor电容centripetalforce向心力circuit电路coherent相干的coil线圈collision碰撞comet彗星convection对流converginglens凸透镜coulomb库仑criticalangle临界角decay衰变deflecte偏转density密度diffraction衍射dilation伸长diminish减小discrete离散的，不连续的diverge分开，分岔diverginglens凹透镜elastic弹性的electricgenerator发电机electricmotor电动机electromotiveforce(e.m.f.)电动势elctroncapture电子捕获emission散发，发射entropy熵estimate估计excitedstate激发态exert施加expansion膨胀fiberoptic光导纤维

focallength焦距spring(orforce)constant（弹簧的）倔强系数frequency频率frictionless光滑无摩擦的gravity重力groundstate基态half-life半衰期halve减半的horizontal水平的hydraulicjack液压千斤顶impinge撞击incidentray入射光indexofrefraction折射率inductioncurrent感应电流inertia惯性initial初始的interference干涉internal内部的isotope同位素kineticenergy动能latentheat潜热lever杠杆longitudinalwave纵波magnetic磁的magneticflux磁通量magnify扩大magnitude大小mass质量matterwave物质波moment力矩momentum动量negligible可忽略的neutron中子nuclearfission核裂变

nuclearfusion核聚变optic光学的oscillate振动，摇摆parabola抛物线parallel并联particle粒子pendulum钟摆permanent永久的photon光子pitch1=1音冋polarization偏振positron正电子potentialenergy势能power功率propagation传播proton质子pulley滑轮radioactive放射性refracte折射relativity相对性resistor电阻rest静止revolution-周rigid刚性的scalar标量semiconductor半导体series串联sign（电量等的）符号simpleharmonicmotion简谐运动simultaneously同时地slit狭缝solenoid螺线管spectrum光谱，波谱speed速率

sphere球体spring弹簧standingwave驻波superconductor超导体superimpose叠加tesla特斯拉（磁强单位）thermal热量的thermodynamics热力学torque转矩，扭矩totalreflection全反射transition跃迁transversewave横波uniform均匀的velocity速度virtualimage虚像voltage电压voltmeter电压表wavelength波长wave-particleduality波粒二象性化学（156个）：词汇释义acid酸activatedcomplex活化络合物activationenergy活化能aggregate聚合alkalimetals碱金属alkalineearthmetals碱土金属alkane烷烃alkene烯烃alkyne炔烃allotropy同素异形体alloy合金aluminum铝ammonia氨amorphous非晶体amphoteric两性的anode阳极anomalous不规则的aqueous水溶液argon氩Avogadro'slaw阿佛加德罗定律barium钡bauxite铝土矿bleaching漂白bond键boron硼brass黄铜bromine湨buret滴定管calcium钙calory卡路里

carbohydrate碳水化合物carbondioxide二氧化碳carbonmonoxide—氧化碳carbonate碳酸盐carboxylicacid羧酸catalyst催化剂cathodereaction阴极反应cellulose纤维素chlorine氯chromium铬coefficient系数combinationreaction化合反应combustion燃烧composition组成compound化合物concentrated浓的concentration浓度

condensation冷凝covalentbond共价键cracking裂解crudeoil原油crystal晶体deoxyribose脱氧核糖diatomicmolecule双原子分子diffusion扩散dilute稀的displacementreaction置换反应distillation蒸馏doublebonds双键dynamicequilibrium动态平衡electrolysis电解elcetrolyte电解质electronicconfiguration电子排布element兀素

empiricalformula经验式endothermic吸热的enthalpy焓erosion腐蚀ethanoicacid乙酸ethanol乙醇ethene乙烯evaporationII，八蒸友exothermic放热的extraction提炼filtering过滤flametest焰色反应fluorine氟fractionaldistillation分馏freezingpoint凝固点glucose葡萄糖glycogen糖原

graphite石墨greenhouseeffect温室效应Haberprocess哈伯法（制氨）halogen凶素helium氦homologousseries同系物hydrocarbon烃hydrogen氢hydrogenchloride氯化氢hydrogenperoxide过氧化氢hydroniumion水合氢离子hydroxide氢氧根indicator指示剂iodine碘isomerism同素异形体leChatelier'sprinciple勒沙特列原理lead铅

limestone石灰石linear直线的lipid脂质，类脂lithium锂litmus石;蕊magnesium镁metalloid类金属methane甲烷methanoicacid甲酸methanol甲醇monomer单体neon氖neutralization中和nickel镍nitrate硝酸盐nitricacid硝酸nitrogen氮

noblegases稀有气体oxide氧化物oxidationagent氧化剂ozone臭氧periodictable兀素周期表permanganate高锰酸petroleum石油phenoIphthalein酚酞phosphorus磷planar平面的platinum铂polar极性的polymer聚合物potassium钾precipitation沉淀propane丙烷propanoicacid丙酸

propanol丙醇propene丙烯puresubstanee纯净物reactive活泼的redox氧化还原redueingagent还原剂reversiblereaetion可逆反应sharedparisofeleetrons共用电子对silieon硅sodium钠solvent溶剂stareh淀粉sublime升华sulphate硫酸盐sulphur硫sulphurieaeid硫酸suspension悬浮液tetrahedral四面体titration滴定torr托耳（压强单位）triplebonds三键vanderWaals'force范德华力volatile易挥发的zinc锌生物（289个）词汇释义accumulation积累adenine腺嘌呤adequate充分的aeration通气aerobicrespiration有氧呼吸alga(algae)藻类allele等位基因aminoacid氨基酸两栖纲厌氧的两栖纲厌氧的被子植物环节动物门顶端分生组织附属物，附肢水生的北极苔原算术的节足动物人工的（染色体）分配大气的常染色体的自养生物谢顶，秃头鲈鱼AmphibiaanaerobicangiospermAnnelidaapicalmeristemappendageaquaticarctictundraarithmeticalArthropodaartificialassortmentatmosphericautosomalautotrophbaldnessbass

bile胆汁biome生物群落blastula囊胚borealtaiga寒带针叶林brine海水cambrium形成层carbondioxide二氧化碳catalyze催化centipede蜈蚣centrifuge离心cerebellum小脑cerebralcortex大脑皮层chamber室，腔characteristic特征chickenpox水痘chitin几丁质chloroghyll叶绿素

chloroplast叶绿体Choradata脊索动物门chromatid染色单体chromosome染色体churn搅拌circulatorysystem循环系统class纲codominant共显性Coelenterata腔肠动物门community群落conditioning条件反射conjugation接合consumer消费者crayfish螯虾cross杂交cultivate种植cytochromeC细胞色素C

cytosine胞嘧啶decomposer分解者dehydration脱水detoxify解（毒）清除dicot双子叶植物digestivetract消化道disjunction分离diversity多样性dominant显性的;显性性状dorsal背部的earthworm蚯蚓ectoderm外胚层embryo胚胎endoderm内胚层endoplasmicreticulum(ER)内质网enzyme酶epidermis表皮equilibrium平衡erosion腐蚀eutrophication营养性生长过度，富营养化evaporateII，八蒸友excessive过度的excrement粪便excretion排泄物excretory排泄的exhaustion极度疲劳exponential指数的extinction灭绝facilitate促进，推动family（分类学里的）科fermentation发酵fern厥类植物fertile能生育的fertilize受精，施肥flavinfluctuatefungus(fungi)fusiongalactosegametegastrulageneticdriftgeneticsgenotypegenusgeologicglucoseglycogenglycolysisgrasshoppergrowthring核黄素变化，波动真菌融合，聚变半乳糖配子原肠胚遗传漂移遗传学基因型（分类学里的）属地质的葡萄糖糖原糖酵解蝗虫年轮guanine鸟嘌呤gymnosperm裸子植物habituation习惯化haploid单倍体hawk鹰，隼hay干早（饲料）hemoglobin血红蛋白heron鹭heterotroph异养生物heterozygous杂合的homeostasis体内平衡hoof蹄hormone激素hydrogenbond氢键hydrolysis水解imprinting印记inbreeding近亲繁殖

incorporate包含，合并inheritanee遗传insight顿悟insulin胰岛素intake吸入interbreed杂交intestine肠ionization电离kidney肾kindom界lactase乳糖酵素lacticacid乳酸laetos乳糖layer层legume豆科植物lethal致死的likely可能的

liver肝lizard蜥蜴lobster龙虾locomotion移动，运动lysosome溶酶体mammal哺乳动物mammalian哺乳动物的maple枫树measles麻疹mechanically机械地medullaoblongata延髓meiosis减数分裂mesoderm中胚层mesophyll叶肉metabolic新陈代谢的methane甲烷，沼气migrate迁移，移居mitochondrion(mitochondria)矿物质线粒体有丝分裂软体动物门原核生物界单子叶植物单糖苔藓蛾mitochondrion(mitochondria)矿物质线粒体有丝分裂软体动物门原核生物界单子叶植物单糖苔藓蛾多种的突变共生的神经神经的，紧张的神经递质地方，位置氮mineralmitosisMolluscamoneramonocotmonosaccharidemossmothmultiplemutationmutualisticnervenervousneurotransmitternichenitrogennitrogenfixationnitrogenousbasenuclearmembranenucleotidenucleus(nuclei)nutrientoakoctopusoffspringolfactorybulbominivoreorderorganelloscillateovum(ova)oxidizeoxygen固氮作用含氮碱基（嘌呤，嘧啶等）核膜核苷酸细胞核营养物，营养的橡树章鱼后代嗅球杂食动物（分类学里的）目细胞器摆动，波动卵子氧化氧臭氧草履虫寄生物臭氧草履虫寄生物单性生殖牧场胃蛋白酶胃蛋白酶原肽键蠕动呑噬外激素，信息素韧皮部磷磷酸化光合作用（分类学里的）门松树ozoneparameciumparasiteparthenogenesispasturepepsinpepsinogenpeptidebondperistalsisphagocytosispheromonephloemphosphorusphosphorylationphotosynthesisphylumpine

pituitarygland脑下垂体plasmamembrane细胞膜Platyhelminthes扁形动物门pollinate授粉polypeptide多肽pond池塘popu