词根词缀：bacterio-, bacteri-, bacter-, -bacteria, -bacterial, -bacterially, -bacterium

【来源及含义】Greek: rod-shaped micro-organism; used in biomedical terminology

【同源单词】Agrobacterium, archaebacterium, archaeobacterium, bacteremia, bacterial, bactericidal

词根词缀：-ical

【来源及含义】Latin: from -icalis, a suffix that forms adjectives from nouns; of or having to do with; having the nature of; constituting or being; containing or made up of; made by or caused by; like, characteristic of; art or system of thought; chemical terms

【同源单词】abdominovesical, abiological, ableptical, academical, acarological, acarologically