8-4-1 CIRCU(M),CYCL(O)=“circle(圆周,循环)”

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circle ['sә:k(ә)l] n.圆周,圆形物,派系,循环 v.环绕,盘旋

【Word Origin】c.1300, "figure of a circle," from Old French cercle "circle, ring (for the finger); hoop of a helmet or barrel" (12c.), from Latin circulus"circular figure; small ring, hoop; circular orbit" (also source of Italian cerchio), diminutive of circus "ring" (see circus). ⭐️⭐️

【Vocabulary Builder】circ "ring"+le(n. & v.) hoop [hu:p] n.箍,铁环,戒指,篮 v.加箍于,环绕 helmet ['helmit] n.头盔,钢盔 barrel ['bær(ә)l] n.桶 vt.装入桶内 circular ['sә:kjulә(r)] adj.圆形的,循环的 n.函件通知

circular ['sә:kjulә(r)] adj.圆形的,循环的

【Word Origin】late 14c., from Anglo-French circuler, Old French circuler"circular" (14c., Modern French circulaire), from Latin circularis, from circulus (see circle (n.)). The metaphoric circular firing squad is attested by 1990. ⭐️

【Vocabulary Builder】circ "ring"+ul+ar(adj.) metaphoric [metә'fɔrik; (-) -'fɔ:r-] adj.隐喻性的,比喻性的 circular firing squad n.环形行刑队(a situation in which a group of people who have a common enemy engage in behaviour that ends up harming themselves more than the enemy) firing squad n.(执行枪决的)行刑队

circulate ['sә:kjuleit] v.(使)流通,(使)运行,(使)循环,(使)传播

【Word Origin】1540s (late 15c. as a past participle adjective), as a chemical term for alternating vaporization and condensation, from Latin circulatus, past participle of circulare "to form a circle," from circulus (see circle (n.)). Meaning "to move around, revolve" is from 1670s; of blood, from 1650s; of persons, "to mingle in a social gathering," from 1863. Sense of "to pass about freely" is from 1660s; of newspapers from 1885. Related: Circulated; circulating. ⭐️

【Vocabulary Builder】circ "ring"+ul+ate(v.) alternate ['ɔ:ltә:neit] adj.交替的,轮流的,预备的 v.交替,轮流,改变 vaporization [ˏveipәrai'zeiʃәn;-ri'z-] n.汽化器,喷雾器,蒸馏器 condensation [ˏkɔnden'seiʃәn] n.浓缩 revolve [ri'vɔlv] v.(使)旋转,考虑,循环出现 mingle ['miŋg(ә)l] v.(使)混合

circulation [sә:kju'leiʃ(ә)n] n.循环,流通,发行

【Word Origin】mid-15c., from Middle French circulation or directly from Latin circulationem (nominative circulatio), noun of action from past participle stem of circulare "to form a circle," from circulus "small ring" (see circle (n.)). Used of blood first by William Harvey, 1620s. ⭐️⭐️⭐️

【Vocabulary Builder】circ "ring"+ul+ation(n.)

circulator [‘sә:kjuleitə] n.传播者; 循环器

【Word Origin】"one who puts (something) in circulation," 1755, agent noun in Latin form from circulate (v.). Classical Latin circulator meant "peddler, hawker," a sense attested occasionally in English 17c. and after. ⭐️⭐️⭐️⭐️⭐️

【Vocabulary Builder】circ "ring"+ul+ator(n.) peddler ['pedlә(r)] n.小贩,传播者 hawker ['hɔ:kә(r)] n.携鹰打猎者,叫卖小贩

circlet ['sә:klit] n.小圈; 戒指,饰环

【Word Origin】late 15c., from Middle French cerclet, diminutive of cercle(see circle (n.)). ⭐️⭐️⭐️⭐️⭐️

【Vocabulary Builder】circ "ring"+let "small,little"

circuit ['sә:kit] n.电路,环形,跑道,周游,巡回; [法律]巡回审判(区)

【Word Origin】late 14c., "a going around; a line going around," from Old French circuit (14c.) "a circuit; a journey (around something)," from Latin circuitus "a going around," from stem of circuire, circumire "go around," from circum "round" (see circum-) + ire "to go" (see ion). Electrical sense is from 1746. Of judicial assignments, from 1570s; of venues for itinerant entertainers, from 1834. Circuit breaker is recorded from 1874. Related: Circuital. ⭐️

【Vocabulary Builder】circu "round"+it "to go" electrical [i'lektrik(ә)l] adj.电的,有关电的 judicial [dʒu:'diʃ(ә)l] adj.司法的,法院的,公正的,明断的 assignment [ә'sainmәnt] n.分配,委派,任务,(课外)作业,(财产,权力等)转让 venue ['venju] n.犯罪地点,审判地,集合地点,会议地点,比赛地点,管辖地 itinerant [ai'tinәrәnt] adj.巡回的 n.巡回者 circuit breaker n.<美>[电工]断路开关,断路器

circuitous [sә:'kjuitәs] adj.迂回线路的,绕行的,拐弯抹角的

【Word Origin】1660s, from Medieval Latin circuitous "full of roundabout ways," from Latin circuitus "a going round" (see circuit (n.)). Related: Circuitously; circuitousness. ⭐️⭐️⭐️⭐️

【Vocabulary Builder】circuit+ous(adj.) roundabout ['raundәbaut] adj.迂回的,转弯抹角的 n.道路交叉处的环形路,迂回路线,兜圈子的话