-ical

-ical (forming adjs 用以构成形容词) comical. -ical, NOTE ON USAGE 用法 Both -ic and -ical form adjectives from nouns *-ic和-ical型的形容词都是由名词派生的 scene/scenic; sociology/sociological. Some nouns form pairs of adjectives with both -ic and -ical which have different meanings 有些名词可派生出成对的有-ic和-ical这两种词尾的形容词, 但意义各异 history/historic (of great significance 指有重大意义的)/historical (belonging to history 属於历史的); economy/economic (concerned with the economy 有关经济的)/economical (not wasteful 不浪费的). Other examples are 其他例子有 comic/comical, politic/political, classic/classical, poetic/poetical. Sometimes the pairs are almost synonymous 有时这成对的形容词几乎同义 rhythmic/rhythmical. Note that the adverb is derived from the -ical form 注意副词是由-ical型派生的 comically, poetically, rhythmically, etc.