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：bio-, bi-, -bia, -bial, -bian, -bion, -biont, -bius, -biosis, -bium, -biotic, -biotical

【来源及含义】Greek: life; living, live, alive

【相关描述】Don’t confuse this element with another bi- which means "two".

【相关词根词缀】 Related life, live-word units: anima-; -cole; vita-; viva-.

【同源单词】abiatrophy, abiocoen, abiogenesis, abiogenetic, abiogenetically, abiogenic

词根词缀：hydro-, hydra-, hydr-, hyd-

【来源及含义】Greek: water

【相关词根词缀】 Cross references of word families that refer to "water": aqua-; hydat-; hygro-.

【同源单词】ahydrotaxis, anhydrase, anhydration, anhydride, anhydrobiosis, anhydrous

词根词缀：-osis, -sis, -sia, -sy, -se

【来源及含义】Greek > Latin: a suffix; actor, process, condition, or state of; result of; expresses a state or abnormal condition or process of some disease

【同源单词】abarognosis, abdominal aponeurosis, acanthosis, acarine dermatosis, acarinosis, acariosis