词根词缀：anti-, ant-

【来源及含义】Greek: against, opposed to, preventive; used as a prefix

【相关描述】Don't confuse this anti- ("against, preventive") with the anti- which means "before".

【同源单词】anecdote, antacid, antagonism, antagonistic symbiosis, antagonize, Antarctic

词根词缀：-ic

【来源及含义】Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous

【同源单词】abdominocystic, abdominopelvic, abdominoscopy, abdominothoracic, abiogenetic, abiogenic

词根词缀：narco-, narc-, -narcotic, narcotico-, -narcosis, -narcoticism

【来源及含义】Greek: numbness, dullness; sleep, stupor, torpor; benumb, deaden

【相关词根词缀】 Related "sleep" units: dorm-; hypno-; letho-; oneiro- (dream); somni-; sopor-.

【同源单词】acronarcotic, antinarcotic, autonarcosis, denarcotize, electronarcosis, encephalonarcosis

词根词缀：-otic

【来源及含义】Greek: a suffix that means: state or condition of; diseased condition of

【同源单词】acrotic, agrypnotic, albinotic, alloeosis, anaerobiotic, angioneurotic