41. 【词根】opt-
(2011-02-23 19:03:30)
标签:
英语词根教育 |
op(t)-, opto-
源自希腊语 optos (vision, sight 视觉,视力) 词干opt-
[希] opsis, appearance (外貌,外观)
[希] ōps, eye (眼睛), face (面貌)
[拉] oculus, eye (眼睛) {见38. 【词根】ocul}
★ hyperopia
[7haIpL5opIE]
{hyper-, to an excessive degree; above; over
* a person with
hyperopia
☆ myopia [maI5opIE]
{my-, to shut 闭}
★ optics [5BptIks]
{opt-, vision, sight 视觉,视力 + -ics, study of 学科}
※ Optics is the study of concerned with vision, sight, and light. 光学是关于视觉、视力和光的学科。
※ -ics 表学科,又如:economics (经济学),physics (物理学),mathematics (数学)。
*
Newton published his first work on optics.
☆ optical [5BptIkl]
{-ical (-ic + -al), of, related to 形容词字尾,表「~的;与~有关的」}
* He has
optical trouble.
*
Telescopes and microscopes are optical
instruments.
★ optician [5BptIFEn]
{opt-, sight 视力(→ 眼镜) + -ic-, 形容词字尾 + -ian, someone of or relating to 名词字尾,表「人」 → 验光师}
* The
optician said I
needed new glasses.
★ optometry [Bp5tBmEtrI]
{opto-, sight 视力 + -metry(-metre 计量器 + -y), measurement 测量 → 验光业}
※ -y, activity表活动,「~术」,如:cookery (烹饪术)
* He works
in the optometry.
☆ optometrist [Bp5tBmEtrIst]
{-ist, a specialist of 名词字尾,表「专业人员」}
* The
optometrist has
advised that I wear contact lenses.
※ -metrics
-metrics 是「测量学」的意思,它的来路:
-meter 表「计,仪,表」 → 【元音省略elision】 -metr- → -metrics {-ics,表示「~学,~术」}
﹡ biometrics
﹡ cliometrics
﹡ econometrics
﹡ geometrics
﹡ isometrics
﹡
psychometrics
【眼 eye】之简史:
古英语 ēage
↑原始日耳曼语字根:*augon
↑原始印欧字根:oqw-
其他同源词:atrocious(凶恶的,残暴的), ferocious(残忍的;惊人的), inoculate(接种;嫁接;灌输), ullage(损耗;不足量), window (窗户)