後綴-ics = ...學,...術

漢：名詞後綴ics意爲"study,art,science,system"，常用於學術用語後麪。

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 般天學 *aero (=air),nau(=ship)
例句：With a degree in mathematics,it is possible to get a job in aeronautics.憑數學學位是可以找到一份航天方麪的工作的。

2.ethics
n.sicence of morals 倫理學，道德學 *eth (=custom)
例句：Speaker Gingrich taught a course on ethics at Georgetown University.衆議院長金裡奇曾在喬治教授論理學課程。

3.politics
n.science or art of government 政治學，政治 *polit (city)
例句：My father never expressed and interest in politics.我父親從沒有表達對政治感興趣。

4.oceanics [ocean n. 洋； 海洋 + -ics 名詞後綴]
n.海洋工程學

5.acrobatics [acro定點,高點 + bat 打鬭 + -ics 名詞後綴→在高処打鬭的技術→]
n.襍技

6.atomics [atom 原子 + -ics 後綴 ...學 →]
n.原子學

7.economics [econom 經濟 + -ics 名詞後綴 ...學→]
n.經濟學

8.mechanics [mechan 機器 + -ics 名詞後綴 ...學→]
n.機械學

9.electronics [electron 電子 + -ics 名詞後綴 ...學→]
n.電子學

10.nucleonics [nucleon n.核子 + -ics 名詞後綴 ...學→]
n.核子學