轻松搞定ACT,SAT2,AP!数理化学科必考英文词汇汇总解析

1、轻松搞定ACT,SAT2,AP!数理化学科必考英文词汇汇总ACT,SAT2,AP等考查理科水平的英文考试让中国考生纠结不已，其原因并不是因为各学科的知识点难度有多高，而是因为学科的英文词汇不认识，导致题目根本看不懂。为帮助考生们克服这一困难，快速征服这些考试，小编为大家汇总了数理化三个学科的必考词汇，共计390个，供大家们参考，祝大家考试顺利,斩获高分！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面积arithmet

2、icsequence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小数对角线数字，位除可整除的定义域离心率beinscribedinbinomialcirclecircumferenceclockwisecommondifferencecommondivisorcommonratiocommonmultiplecompositenumberconecongruentconstantcoordin

3、atecubecuberootcylinderdecimaldiagonaldigitdividedivisibledomaineccentricityelipse椭圆equilateral等边的even偶的expotent指数fraction分数function函数geometricsequence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minora

4、xis短轴minus减mode众数multiply乘negative负的numberline数轴obtuseoddoriginofcoordinatesparallelparallelogramperimeterperpendicularpluspolynomialpositiveprimenumberprobabilityproductproportionquadruplequotientradianradiusrangerationalnumberreciprocalrectanglerightscalenesection钝（角）奇的原点平行的平行四边形周长垂直的加多项式正的质数概率积比例

5、四倍的商弧度半径值域有理数倒数矩形直（角）不等边的，不等边三角形截面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cen

6、tripetalforce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elctronc

7、apture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in

8、ertia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磁通里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pendu

9、lum钟摆permanent永久的photon、【乙儿Jpitch音高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一周rigid刚性的scalar标里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

10、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act

11、ivationenergy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carbohydr

12、ate碳水化合物carbondioxide二氧化碳carbonmonoxide一氧化碳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deoxyribos

13、e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-*1=1儿糸empiricalformula经验式endothermic吸热的enthalpy焓erosion腐蚀ethanoicacid乙酸ethanol乙醇ethene乙烯evaporation蒸发exothermic放热的extra

14、ction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卤素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isomeris

15、m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phenolphthalein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puresubstance纯净物reactive活泼的redox氧化还原reducin