词根词缀：a-, an-

【来源及含义】Greek: prefix; no, absence of, without, lack of; not

【相关描述】These prefixes are normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels.

It affects the meanings of hundreds of words.

There are too many words that use these prefix elements to list all of them on this site; however, there are significant examples listed in this and the other units where they exist.

【同源单词】abacterial, abaptism, abarognosis, abasia, abiocoen, abiogenesis

词根词缀：sepsi-, sep-, septi-, septico-, septo-, -sepsis, -septic, -septicemia, -septicemic

【来源及含义】Greek: decay, rot, putrefactive

【相关词根词缀】 Word families with similar applications about: "decay, rotten; wasting away; putrid, pus" word units: phthisio- (decay, waste away); puro- (pus); pus (viscous fluid via an infection); pustu- (blister, pimple); putre- (rotten, decayed); pyo- (pus; purulent); sapro- (rotten, putrid, putrefaction, decay); suppurant- (festering, forming or discharging pus); tabe- (wasting away, decaying).

【同源单词】antisepsis, antiseptic, antiseptic, asepsis, aseptic, asepticism