-astic

/æstɪk/

后缀

后缀

-ast: someone associated with something
-ic: Used to form adjectives from nouns with the meaning “of or pertaining to”. · (chemistry) Used to denote certain chemical compounds in which a specified chemical element has a greater oxidation number than in the equivalent compound whose name ends in the suffix -ous. For example sulphuric acid (H₂SO₄) has more oxygen atoms per molecule than sulphurous acid (H₂SO₃).

Equivalent to -ast +‎ -ic

1Used to form adjectives from nouns, often with the meaning meaning "of, or relating to".