词根:rat, ratio = to reckon(推定), reason(理由;理
词根rat,tatio来自拉丁语的ratio 意为 “to reckon,reason”,-ratio- 为词根 -rat- 的变体, 有异形同义词根:arithm,calc,count 计算。
同源词:
1. ratify vt.批准;认可 《-ify动词词尾》
ratification n. 批准;认可
Iheartily fatify your choice of restaurants.你很会选餐厅,对此我由衷地认可。
2. rate n.率,比率;价格,费用;速度;等级 v.评价;估价;列为
birth/death rate(出生/死亡率) exchange rate (汇率) walk at the/rate of 3miles an hour(以每小时3英里的速度行走) at a great rate(高速地)
3. rating n.等级;测试得分;评分;<英>水兵,普通海员;声誉;(电视节目的)收视率,(广播的)收听率
efficiency rating system (效率评分系统)
4. ratio n.比,比率
direct/inverse/nutritive ratio(正比/反比/营养比值);ratio 3:2((读作 the ratio of three to two)3:2的比率)
5. ratiocination n.(尤其指用三段论法的)推理 《cin=kin=to rnove》
6. ration n.定额,定量,(食品等的)配给(量);(pl.)[军](日需)口粮;(日需)给养
v.定量供应(粮食、水等);平均分配
ration card/book(定量供应卡/(定量)配给票证簿) go and draw rations(去领取分发的东西)ration the water(定量供水)
7. rational a.理智的;理性的;合理的
adv.rationally(理性地;合理地)
n.rationality (理性观点(或行动);合理性)
rational conduct/explanations(合理的行为/解释)
8. rationale n.理论;原理;理论基础
9. rationalism n.唯理论;理性主义《-ism=主义》
rationalist n.理性主义者;唯理性论者
rationalistic adj.理性主义(者)的;唯理论(者)的
10. rationalize v.使合理;合理地解释;用理论来说明;使合理化
11. rationality n.理性;合理
12. rationalization n.合理化;(数学)化根式为有理式
13. irrational adj.不合理的;无理性的《ir- = in- =not》
14. irrationality n.不合理;无理性;无知
词根:calc, calcul = lime, stone, to reckon 石灰, 石头, 计算
来源于拉丁语 calx/calculus 石灰石 / 计算。同义词根有来自拉丁语的rat。-calci- 为 -calc- 的变体,有同形异义词根:-calc- 踢 / 踩;有同类词根(钙和硫都属于化学元素):-sulf- / -sulph- 硫,而词根 -sulph- 也可以理解为是根据辅音的交替规律由 -sulf- 变来的,属于单 / 双辅音交替规律,如:sulfur 硫磺、sulfite 亚硫酸盐、sulphur 硫磺、sulphite 亚硫酸盐。
同源词:
1. incalculable(无法计算的in(=not) + calcul(=reckon))
adj.无法计算的,(数目)巨大的;不可预测的
Prime numbers of more than 100 digits are inclculate by today's supercomputers.今天的超级计算机也无法计算出超过100位的素数。
2. calculable
adj.计算的;可信赖的
3. calculate
v.计算;推算;打算
calculating adj.计算的;审慎的
calculated adj.计算出的;精心计划的;故意的;可能的
calculated crime 蓄意犯罪
calculator n.计算器;计算者
4. calculation
n.计算;仔细的分析(或思考等)
after much calculation 深思熟虑后
5. calculus
n.计算法;微积分;结石
6. chalk [calc 石灰,音变;c → ch,c→k,因此:calc → chalk;由“石灰”制成的→]
n.粉笔
7. calcarious [calc 石灰,-arious 复合后缀,...的]
adj. 石灰质的
8. calcic [-ic (a.) 表示“…的”]
adj. 石灰的,含钙的,钙质的
9. calcimine [-imine (n.) 名词后缀]
n. 刷墙粉
词根词缀:censur-, censor-
【来源及含义】Latin: to count, to reckon, to assess, to estimate, to value, to deem, to judge; judgment, criticism; Latin censura and French censure
【同源单词】censive, censor, censorate, censorial, censorian, censoring
词根词缀:numer-, number-
【来源及含义】Latin: distribution; to count, to reckon
【同源单词】alphanumeric, alphanumerical, alphanumerics, annumerate, annumeration, apocalyptic number
词根词缀:psepho-, pseph-
【来源及含义】Greek > Latin: pebble/pebbles, stone/stones; election; vote
【相关描述】To cast one's vote with a pebble, to count, reckon; from small stone, pebble [used in counting or voting]. Pebbles were used in ancient Greece for casting votes, and so psephos came to metaphorically mean, "vote".
【同源单词】isopsephic, psephism, psephite, psephocracy, psephocrat, psephograph
词根词缀:put-, puta-, -pute, -puter, -puting, -putate, -putation, -putative
【来源及含义】Latin: putatus past participle of putare: to think over, consider, reckon, count; to trim, prune, lop, cut, clean, clear, unmixed
【相关描述】From Latin, puto-, putare: literally; especially of trees, "to lop, to prune" and "to cleanse, to clear"; then (1) "to clear up, to settle"; especially, of accounts; (2) "to reckon, to estimate, to value"; (3) "to consider, to hold, to believe, to think".
【相关词根词缀】 Related cutting-word units: cast-; castrat-; -cise, -cide; -ectomy; mutil-; sec-, seg-; temno-; -tomy; trunc-.
【同源单词】account, account, accountability, accountable, accountably, accountant
词根词缀:ratio-, reason-
【来源及含义】Latin: reckoning, to reckon; calculating, calculation; understanding; thinking
【同源单词】arraign, arraigner, arraignment, derationalize, irrational, irrationalism