后綴-ics = ...學(xué),...術(shù)

漢：名詞后綴ics意為"study,art,science,system"，常用于學(xué)術(shù)用語后面。

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

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

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

4.oceanics [ocean n. 洋； 海洋 + -ics 名詞后綴]
n.海洋工程學(xué)

5.acrobatics [acro定點(diǎn),高點(diǎn) + bat 打斗 + -ics 名詞后綴→在高處打斗的技術(shù)→]
n.雜技

6.atomics [atom 原子 + -ics 后綴 ...學(xué) →]
n.原子學(xué)

7.economics [econom 經(jīng)濟(jì) + -ics 名詞后綴 ...學(xué)→]
n.經(jīng)濟(jì)學(xué)

8.mechanics [mechan 機(jī)器 + -ics 名詞后綴 ...學(xué)→]
n.機(jī)械學(xué)

9.electronics [electron 電子 + -ics 名詞后綴 ...學(xué)→]
n.電子學(xué)

10.nucleonics [nucleon n.核子 + -ics 名詞后綴 ...學(xué)→]
n.核子學(xué)