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：pneo-, -pnea, -pneic, -pnoea, -pnoeic, -pneo
【来源及含义】Greek: air, wind; breathing
【相关词根词缀】 Word units related to breath and breathe: hal-; pneumato-; pneumo-; psych-; spiro. Cross references of word groups that are related, directly or indirectly, to: "air, wind": aello-; aeolo-; aero-; anemo-; atmo-; austro-; flat-, flatu-; phys-; pneumato-; turb-; vent-; zephyro-.