后缀-ics = ...学,...术

汉：名词后缀ics意为"study,art,science,system"，常用于学术用语后面。

英：in the names of sciences or disciplines (acoustics, aerobics, economics, etc.) it represents a 16c. revival of the classical custom of using the neuter plural of adjectives with -ikos (see -ic) to mean

"matters relevant to" and also as the titles of treatises about them. Subject matters that acquired their names in English before c.1500, however, tend to remain in singular (e.g. arithmetic, logic).
-icsa
suffix of nouns that denote a body of facts, knowledge, principles, etc., usually corresponding to adjectives ending in -ic, or -ical:, ethics; physics; politics; tactics .

Origin:
plural of -ic, representing Latin -ica (< Greek -ika, neuter plural of -ikos ), as in rhētórica (plural) rhetoric book

1.aeronautics
n.science and practice of aviation 般天学 *aero (=air),nau(=ship)
例句：With a degree in mathematics,it is possible to get a job in aeronautics.凭数学学位是可以找到一份航天方面的工作的。

2.ethics
n.sicence of morals 伦理学，道德学 *eth (=custom)
例句：Speaker Gingrich taught a course on ethics at Georgetown University.众议院长金里奇曾在乔治教授论理学课程。

3.politics
n.science or art of government 政治学，政治 *polit (city)
例句：My father never expressed and interest in politics.我父亲从没有表达对政治感兴趣。

4.oceanics [ocean n. 洋； 海洋 + -ics 名词后缀]
n.海洋工程学

5.acrobatics [acro定点,高点 + bat 打斗 + -ics 名词后缀→在高处打斗的技术→]
n.杂技

6.atomics [atom 原子 + -ics 后缀 ...学 →]
n.原子学

7.economics [econom 经济 + -ics 名词后缀 ...学→]
n.经济学

8.mechanics [mechan 机器 + -ics 名词后缀 ...学→]
n.机械学

9.electronics [electron 电子 + -ics 名词后缀 ...学→]
n.电子学

10.nucleonics [nucleon n.核子 + -ics 名词后缀 ...学→]
n.核子学