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:apo-, ap-, aph-
【来源及含义】Greek: from, away from, asunder, separate, separation from, derived from
【同源单词】ahydrotaxis, aphorism, aphydrotactic, apobiosis, apobiotic, apocalypse
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:taxi-, tax-, taxo-, taxio-, -taxia, -taxis, -taxy, tact-, -tactic, -tactical, -tactics
【来源及含义】Greek: arrangement, order, put in order, orientation; the movements or directed responses of motile organisms to stimuli, as indicated by the combining roots
【同源单词】acroataxia, adelphotaxis, aerotaxis, ahydrotaxis, allelotaxis, amyotaxia