词根词缀：-ium

【来源及含义】Greek: a suffix; scientific names; names of metallic elements; a part, lining, or enveloping tissue, region; little; representing a diminutive force

【相关描述】A suffix found on nouns borrowed from Latin; especially, derivatives of verbs (odium; tedium; colloquium; delirium); deverbal compounds with the initial element denoting the object of the verb (nasturtium); other types of compounds (equilibrium; millennium); and derivatives of personal nouns, often denoting the associated status or office (collegium; consortium; magisterium).

This ending of -ium also occurs in scientific terms on a Latin model; such as, in names of metallic elements (barium; titanium) and as a Latinization of Greek -ion (pericardium).

【同源单词】acute delirium, agrobacterium, aigialium, alluvium, andrium, anthium

词根词缀：nebula-, nebul-

【来源及含义】Latin: mist, fog, cloud, smoke

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "smoke, smoking": atmido-; capno; Capnomania & Fumimania, Pt. 1; Capnophobia & Fumiphobia, Pt. 1; fumi-; typho-.

【同源单词】circumnebulous, nebula, nebulaphobia, nebulate, nebulated, nebule