词根：light = light

  来自盎格鲁-撒克逊语的light意为light。同义词根有来自拉丁语的lumin(lun),luc/lust和来自希腊语的photo。

同源词：

1. enlightened（给光的en(=give) + light(=light)）
  adj.开通的；有知识的；摆脱偏见（或迷信）的；文明的
  enlighten v.启蒙，使摆脱偏见（或迷信）
  enlightenment n.启蒙，教化
  My parents are fairly enlightened for country people. 作为下乡人，我父母算是相当开通了。

2. searchlight
  n.探照灯；探照灯光束

3. spotlight
  n.聚光灯；(the~)公众的关注 v.聚光照明；使突出醒目
  come into the spotlight 吸引众人的关注

4. light
  n.光；发光体（如蜡烛、灯等）；交通信号；照明；火柴、香烟等点火物；脸上的光彩，眼神；名人，权威的人
  adj.（地点）有光的，明亮的；（颜色）淡的，浅的；轻微的；轻快的；行李（或负担）轻的；（吃饭）量少的；（食物）易消化的；（酒类）低度的；易醒的；睡得不沉的；轻率的，轻浮的，行为轻佻的；（女子）水性杨化的
  adv.轻地；轻装地
  v.点火，点燃；使光明，照亮；(~up)点（电灯或煤气灯）；(~upon)偶然发现；下（马等）；（鸟）停落
  light bulb 电灯泡
  All the lights went out——there was a power failure. 所有的灯都灭了——停电了。
  Can you give me a light,please?能借个火吗？
  strike a light 开灯
  Light come,light go.来得容易易去得快。

5. lighten
  v.（使）发亮，照亮，变亮；使（负担等）减轻
  lighten the darkness of the cellar 照亮黑暗的地下室
  lighten a ship's cargo/taxes 减轻船上的货物/降低税收

6. lightning
  n.闪电，电光
  adj.闪电的；极快的；闪电似的
  like lightning 闪电般地
  lightning strike /operation 闪电式的罢工/工作
  lightning beetle (bug)萤火虫
  lightning war 闪电战

7. lighter
  n.打火机；点火器；点火者；驳船 v.用驳船运送（货物）
  snap on a lighter 点着打火机
  lighterage n.驳运费
  tug with a string of lighters behind it 后面拖着一长串驳船

8. lighthouse
  n.灯塔
  lighthouse keeper 灯塔看守人

9. lightly
  adv.轻轻地；轻微地，稍微地；轻蔑地
  push lightly 轻轻地推
  lightly friend fish 稍微用油炸过的鱼

10. lights
  n.(羊、猪、牛等）肮脏

11. lightsome
  adj.轻松愉快的；无忧无虑的；发亮的，光亮的，明亮的

词根词缀：custo-, custod-

【来源及含义】Latin: guardian, keeper, protection; guarding, keeping

【同源单词】custodial, custodian, custodianship, custodier, custody, noncustodial

词根词缀：pylor-, pyloro-, pylori-

【来源及含义】Greek: gatekeeper; lower gastric orifice through which the contents of the stomach enter the duodenum

【相关词根词缀】 A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube": alveolo-; antro-; anu-; celo-; coelio-; concho-; fenestra-; hernio-; hiat-; meato-; ora-; parieto-; poro-; pyl-, pyle-; sphinctero-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.

【同源单词】double pyloroplasty, finney pyloroplasty, gastropylorectomy, Heineke-Mikulicz pyloroplasty, hemipylorectomy, juxtapyloric