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：caulo-, cauli-, caul-

【来源及含义】Greek > Latin: stem, stalk

【同源单词】acaulescent, acauline, acaulus, caulescent, caulicarpous, caulicle

词根词缀：-ent

【来源及含义】Latin: adjective suffix signifying action or being; performing a particular acion

【同源单词】abducent, abhorrent, abluent, absorbefacient, absorbifacient, abstinent

词根词缀：-esce, -escent, -escence

【来源及含义】Latin: beginning to be, becoming; to be somewhat; a suffix that forms nouns and adjectives

【同源单词】acaulescent, acquiescence, acquiescent, adherescent, adipescent, adolescence