词根：alesc (esc, alit, olesc) = becoming

  词根alesc来自拉丁语的alesc意为becoming。growing,esc,alit,olesc是它的变形。

同源词：

1. coalition（变成一起co<com(=together) + alit<alesc(=becoming)）
  n.联合；（政党间的）联盟
  coalesce n.联合
  A coalition nations attacked Iraq in 1991. 多国联军于1991年攻击了伊拉克。

2. adolescence
  n.青春期 *ad( = to ,toward),olesc,alesc(=becoming)
  The period of adolescence has fascinated people of all ages. 青春期阶段总是使各个年龄的人都着迷。

3. adolescent
  adj.青春期的 n.青少年 *ad( = to ,toward),olesc,alesc(=becoming)
  Aristotle characterized the adolescent as being "high-minded",but somewaht put this down to lack of experience. 亚里士多德认为青少年的特点是“高洁的”，但他也认为这在某种程度上缺乏经验。

4. florescence
  n. 开花，盛开；花期，全盛期 *flor (=flower),esc<alesc(=becoming)
  florescent adj.开花的，花盛开的

5. fluorescent
  adj.发荧光的，荧光性的 *fluor(=bloom),esc<alesc(=becoming)
  fluorescence n.荧光性
  fluorescent lamps /lighting 荧光灯/荧光照明

6. phosphorescence
  n.发磷光；磷光 *phos(=light),phor(=carry,produce),esc<alesc(=becoming)
  phosphorescent adj.发磷光的，磷光性的

后缀：-esce [动词后缀]

表示动作开始或正在进行。它的对应名词后缀为-escence或-escency，它的对应形容词后缀为-escent

evanesce 渐渐消失

effloresce 开花

senesce 开始衰老

coalesce 联合，结合

fluoresce 发萤光

deliquesce 潮解，液化

convaleace 渐愈，恢复健康

rejuvenesce （使）返老还童

obsolesce 废除不用

incandesce （使）白热化，炽热化

词根词缀：roentgeno-, roentgen-

【来源及含义】German: radiation, "x-ray"; X-ray; 1896, translation of German X-strahl, from X, "algebraic symbol for an unknown quantity", + Strahl, "beam, ray"

【相关描述】So called after its discoverer, a German physicist, Wilhelm Konrad Roentgen [1845-1923], who discovered roentgen rays [x-rays] in 1895; winner of the Nobel prize in physics in 1901.

【相关词根词缀】 Related "roentgen, x-ray" units: Roentgen Biography; Chemical Element: roentgenium.

【同源单词】bioroentgenography, cineradiograhy, cineroentgenography, fluororoentgenography, kiloroentgen, microroentgen