词根：ump = to bulge 隆起
来源基础词跳 jump，J 有跳跃，弹射之意，-ump- 是跳的一种动作表现，引申义为隆起、突出、大。
词根扩展：看着他那隆起的肌肉就知道他很强壮： robor ， robust 强，强壮，来源于拉丁语 robur，如：robust 强壮的，健康的、roborant 增强体力的。
同源词：
1. plump [pl 双，倍 + ump 隆起 → 形容双倍的大，多半大→]
adj.丰满的，圆胖的
2. dump [d 地 ( 音似 ) + ump 隆起 → 倒在地上，形成一大堆的东西→]
n.垃圾堆，堆存处，倾倒，倾销，抛售
3. rump [r 半圆 ( 形似 ) + ump 隆起 →人体上呈半圆形，且比较丰满的部位→]
n.尾部，臀部，残余
4. pump [p 管子 ( 形似 ) + ump 隆起 →用管子把大量的水抽出地表的机器→]
n.泵，抽水机
5. bump [b 嘣 ( 声似 ) + ump 隆起 →物体碰撞发出嘣的一大声，即碰撞，颠簸，隆起物→]
n.碰撞，颠簸，隆起物
6. stump [st(=stand) 站，立 + ump 隆起 →站在一个隆起的地方，往下看原来是树桩→]
n.树桩，把…难住，脚步沉重地走
词根：sal (sul, sil, sail, saul) = to leap 跳
词根sal 来源于拉丁语 salire/salare 跳，其变形有sul,sil,sail,saul,s(a)ult等。此外，sal还有salt和health的意思。词根sal还有个同形异源异义词根sal,意思是“盐、卫生”。
同源词：
1. assailant [向某人跳的人as<ad(=to) + sail<sal(=leap)]
n. 攻击者
assail v. 攻击
ex) Three assailants robbed me of my purse． 三个袭击者抢走了我的钱包。
2. salient [跳上去的sal(=leap,salt)]
adj. 显著的，明显的，突出的；凸起的
n. 凸角；[军]（战线或筑城的）突出部
salience;-ency n.突出（部分）；特征
In your composition, each paragraph should develop a single salient point.写文章时，每一段落都应该有一个突出的论点。
3. exult [用力跣跃ex(=intensive)+ul<sul<sal(=leap)]
vi. at/in + sth 狂喜，欢欣鼓舞
exultation n. 狂喜
exultant adj. 狂喜的
exultantly adv. 狂喜地
She exults in her good fortune to have triplets. 她非常高兴自己有幸生了三胞胎。
4. resilient [回跳、跳上的 re(=back)+sil<sal(=leap)]
adj. 有弹力的；有复原能力的；富有活力的
resile v.跳回；弹回；退缩（跳回来） re-(=back)
resilience/resiliency n. 弹性，弹力；恢复力
Most children are quite resilient and quickly recover from bumps and scrapes. 大部分被子的恢复力都很强，磕碰、擦伤的地方很快就会好。
5. salutary [健康的sai(=health)]
adj. （对身心）有益的
ex) The doctor gave you salutary advice. Now you need to follow. 医生给了你有益健康的忠告，你要遵守。
6. assault
n. 突击；强攻 v. 强攻；偷袭（阵地等）
assautt and battery 量力殴打
assaulr craft 突击舟
7. consult
v. 参考；与…商议 *con<com(=together), sul<sal(=leap)
8. consultant
n. 咨询者；（公司等的）顾问；会诊医生 *con<com(=together), sul<sal(=leap)
consultant surgeon 外科会诊医生
firm of consultants 咨询公司
9. consultation
n. 商议，磋商；咨询；磋商会议 *con<com(=together), sul<sal(=leap)
10. consultative
adj. 咨询的；商议的，磋商的；顾问的 *con<com= together),sul<sal(=leap)
consultative committee 顾问委员会
11. desultory
adj. 散漫的：无条理的；不连贯的 *de（=off）,sul<sal(=leap)
12. exile
n. 放逐；背井离乡，流亡；被放逐者；离乡者 v. 放逐；使背井离乡 *ex(=out), il<sil<sal(=leap)
place of exile 流放地
after an exile of ten years 流亡十年以后
cxiled for lite 被终生流放的
13. insult
n. 侮辱，无礼 v．侮辱，羞辱
insulting adj. 侮辱的，无札的
14. result
n. 结果 v. 发生；导致 *re(= back), sul<sal ( = leap)
15. resultant
adj. 作为结果的；合成的 n. 结果 *re(=back),sul<sal(=leap)
resultant force 合力
resultant velocity 合速度
16. salacious
adj. （言语、书、两等）猥亵的，淫秽的，下流的 *sal(=leap)
17. sally
n. （被包围军队的）突围，出击；俏皮话 v. （情感）迸发 *sal(=leap)
18. salmon
n. 鲑鱼；鲑鱼肉：橙红色 *sal(=leap)
19sultry
adj. （天气）闷热的，酷热的：（人）易动感情的，热烈的 *sul<sal(=leap)
20. salad
n. 色拉，凉拌菜 *sal(=salt)
chicken salad 鸡肉沙拉
fruit salad 水果色拉
salad days 少不更事的时期
salad-dressing 色拉调料（由油、醋、香抖等混合在一起和制作而成）
salad-oil 色拉油
21. salary
n. 薪金，薪水 * sal(=salt)
salary of $30, 000 per annum 年薪3万美元
22. salaried
adj. 有薪水的 *sal(=salt)
salaried classes 工薪阶层
salaried posts 蒂薪职位
词根：meter(metr) = measure, metr（测量）
来自希腊语的meter 意为measure,metr 为其变形。同义词根有来自拉丁语的mens。
（*希腊文metron(=measure)——英文字根字典）
同源词：
1. parameter （向旁边量 para(=beside) + meter(=measure)）
n.参数
The company is always expanding the parameters of its product offerings. 那家公司常常扩大商品供给的参数。
2. asymmetry
n.不均衡，不对称 *a<an(=not,without),sym<syn(=together),metr<meter(=measure)
3. symmetry
n.对称；匀称 sym<syn(=together),metr<meter(=measure)
symmetric/symmetrical adj. 均衡的；（图案）对称的
symmetrically adv.对称地
The bump on the left side of her forehead spoilt the symmetry of her face.她额头左侧的肿块坏了她脸的对称。
4. barometer
n.气压计；晴雨表；<喻>显示（舆论、物价等）变化的事物 *baro(=weight,pressure)
barometric adj.气压（计）的
barometric pressure 气压
barometer stock 标准度
5. chronometer
n.（特别指航海中使用的）精密计时表 *chron (=time)
6. diameter
n.直径；（透镜的）倍 *dia(=across,through)
diameter of a tree-trunk 树干的直径
a lens that magnifies 20 diameters 放大20倍的透镜
in diameter 直径上
7. diametrically
adv.完全相反地；直径地 *dia(=across,through)
8. geometry
n.几何学 *geo(=earth)
geometric /geometrical adj. 几何学（上）的；（线、条纹等）几何图案的
geometrical patterns 几何图案（纹样）
geometrical progression [数]几何级数
9. perimeter
n.[数]周；周边 *peri(=around)
10. meter
n.公尺；测量器
v. 以测量器计重
11. metric
adj.测量的；公制的
12. metricate
v.采用公制
13. metrology
n.度量衡学；度量衡制《ology = study》
14. metronome
n.节拍器（按次序测量）《nome = order（次序）》
15. aerometer
n.气量计；气体比重计《aero = air》
16. anemometer
n.风速计；测风仪《anemo = wind》
17. centimeter
n. 公分（百分之一公尺）《centi = hundredth》
18. dynamometer
n.测力计；功率计《dynamo = power》
19. heliometer
n. 太阳仪《helio = wet》
20. seismometer
n.地震仪《seismo = to shake》
21. thermometer
n. 温度计；寒暑表 《thermo = heat》
22. trigonometry
n.三角学（测量三个角）《tri- = three;gon = angle(角)》
23. voltmeter
n.伏特计；电压表 《volt = 伏特》
词根词缀：bull-, bulli-
【来源及含义】Latin: to bubble, a bubble; to blister, a blister
【相关描述】Additional words related to this unit are available at this "bubble" unit.
【相关词根词缀】Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": ichor-; papulo-; pemphig-; puro-; pus-; pustu-; pyo-; suppurant-; tum-; vesico-; vesiculo-.
【同源单词】budge, bulla, bulla tympani, bullation, bullectomy, bullition
词根词缀：ichor-
【来源及含义】Greek: fluid [distinct from blood] that flows through the veins of the gods; by extension, "watery part of blood or milk," used in the sense of "thin, serous or sanious fluid, especially from a wound or sore"
【相关词根词缀】Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": bull-; papulo-; pemphig-; puro-; pus-; pustu-; pyo-; suppurant-; tum-; vesico-; vesiculo-.
【同源单词】ichor, ichorhemia, ichoroid, ichorous, ichorous pus, ichorrhemia
词根词缀：papulo-, papul-, papuli-
【来源及含义】Latin: pimple, pustule
【相关词根词缀】 Cross references directly, or indirectly, involving the "skin": callus-; chorio-; cicatri- (scar); cori-; cuti-; hymen-; lepido- (scab, scale); psoro- (itch, mange); pustu- (blister, pimple); rhytid- (wrinkle); scabio- (mange, itchy); sebo- (grease, oil). Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": bull-; ichor-; pemphig-; puro-; pus-; pustu-; pyo-; suppurant-; tum-; vesico-; vesiculo-.
【同源单词】maculopapular, papilliferous, papule, papulopustular, papulosis, papulosquamous
词根词缀：pemphig-, pemphi-
【来源及含义】Greek: pemphix, "blister"; blistering skin diseases or a swelling of the skin that contains watery fluid and is caused by burning or irritation; a bump or small swelling on or beneath the skin
【相关词根词缀】 Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": bull-; ichor-; papulo-; puro-; pus-; pustu-; pyo-; suppurant-; tum-; vesico-; vesiculo-.
【同源单词】benign familial chronic pemphigus, bullous pemphigoid, erythematous pemphigus, pemphigoid, pemphigus contageosus, pemphigus erythematosus
词根词缀：puro-, puru-
【来源及含义】Latin: pus
【相关词根词缀】 Word families with similar applications about: "decay, rotten; wasting away; putrid, pus" word units: phthisio- (decay, waste away); pus (viscous fluid via an infection); pustu- (blister, pimple); putre- (rotten, decayed); pyo- (pus; purulent); sapro- (rotten, putrid, putrefaction, decay); sepsi- (decay, rot, putrefactive); suppurant- (festering, forming or discharging pus); tabe- (wasting away, decaying). Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": bull-; ichor-; papulo-; pemphig-; pus-; pustu-; pyo-; suppurant-; tum-; vesico-; vesiculo-.
【同源单词】mucopurulent, purohepatitis, puromucous, purulence, purulency, purulent
词根词缀：pustu-
【来源及含义】Latin: blister, pimple
【相关词根词缀】 Word families with similar applications about: "decay, rotten; wasting away; putrid, pus" word units: phthisio- (decay, waste away); puro- (pus); pus (viscous fluid via an infection); putre- (rotten, decayed); pyo- (pus; purulent); sapro- (rotten, putrid, putrefaction, decay); sepsi- (decay, rot, putrefactive); suppurant- (festering, forming or discharging pus); tabe- (wasting away, decaying). Cross references directly, or indirectly, involving the "skin": callus-; chorio-; cicatri- (scar); cori-; cuti-; hymen-; lepido- (scab, scale); papulo- (pimple); psoro- (itch, mange); rhytid- (wrinkle); scabio- (mange, itchy); sebo- (grease, oil). Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": bull-; ichor-; papulo-; pemphig-; puro-; pus-; pyo-; suppurant-; tum-; vesico-; vesiculo-.
【同源单词】acropustulosis, papulopustular, pustulant, pustular, pustulate, pustulation
词根词缀：pyo-, py-
【来源及含义】Greek: pus; purulent, an infection or foreign material that causes a thick whitish-yellow fluid which results from the accumulation of white blood cells
【相关词根词缀】 Word families with similar applications about: "decay, rotten; wasting away; putrid, pus" word units: phthisio- (decay, waste away); puro- (pus); pus (viscous fluid via an infection); pustu- (blister, pimple); putre- (rotten, decayed); sapro- (rotten, putrid, putrefaction, decay); sepsi- (decay, rot, putrefactive); suppurant- (festering, forming or discharging pus); tabe- (wasting away, decaying). Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": bull-; ichor-; papulo-; pemphig-; puro-; pus-; pustu-; suppurant-; tum-; vesico-; vesiculo-.
【同源单词】archepyon, arthroempyesis, biopyoculture, biopyocultured, dacryopyorrhea, dacryopyosis