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:acous-, acou-, acouo-, acoustico-, acouto-, acousti-, -acousia, -acousis, -acoustical, acu-, -acusis-, -acusia
【来源及含义】Greek: akoustikos, to hear, hearing; to listen, listening
【相关词根词缀】 Related "hear, hearing; listen, listening" units: audio-; ausculto-.
【同源单词】acouasm, acoubuoy, acouesthesia, acoumeter, acouophone, acouophonia