词根：-rig-

【词根含义】：刚硬

【词根来源】：-rig-来源于拉丁语动词rigeo, rigere, -, -(刚硬)和形容词rigidus, rigida, rigidum(严厉的)。

【同源单词】：rigid, rigidity, rigor, rigorous

词根词缀：-ous, -ious, -eous

【来源及含义】Latin: full of or having the qualities of; in chemistry, a suffix denoting that the element indicated by the name bearing it, has a valence lower than that denoted by the termination -ic; as, nitrous, sulphurous, etc., as contrasted with nitric, sulphuric, etc.

【相关描述】Only a small number of the hundreds of examples are presented because there are just too many to include at this time.

【同源单词】abdominous, abiogenous, ablepharous, abstemious, acanthaceous, acanthocephalous

词根词缀：rigi-, rig-

【来源及含义】Latin: stiff, hard, numb; to be frozen, to grow stiff with cold, to be chilled

【同源单词】acid rigor, calcium rigor, catatonic rigidity, cerebellar rigidity, clasp-knife rigidity, cogwheel rigidity