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：tricho-, trich-, -tricha, -trichia, -trichan, -trichic, -trichosis, -trichous, -thrix, -trichum, -trichy

【来源及含义】Greek: hair [thread; filament; condition of the hair]

【相关词根词缀】 Links to other hair-related units: alopec-; barba-; Beards; capillaro-; chaeto-; cirro-; coife; crino-; Hair & Beard Styles; hirsute; pilo-; pogo-; villi-.

【同源单词】achromatrichia, achromotrichia, actinotrich, actinotrichia, amphitrichous, atrichia