roisterous
构词拆分
roister词根/词干
+
-ous后缀
Used to form adjectives from nouns, to denote: · (chemistry) Used in chemical nomenclature to name chemical compounds in which a specified chemical element has a lower oxidation number than in the equivalent compound whose name ends in the suffix -ic. For example sulphuric acid (H2SO4) has more oxygen atoms per molecule than sulphurous acid (H2SO3). See Inorganic nomenclature.
词源说明
释义（英文）
形容词 Adjective
- Loud and disorderly; carousing.