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：abysso-, abyss-, abys-

【来源及含义】Greek > Latin: Greek [abussoz], a-, "no" plus bussos, "bottom" through Latin [abyssus], "no bottom, bottomless"

【相关词根词缀】Inter-related cross references, directly or indirectly, involving the "sea" and the "ocean" bodies of water: Atlantic; batho-, bathy- (depth); bentho- (deep, depth); halio-, halo- (salt or "the sea"); mare, mari- (sea); necto-, nekto- (swimming); oceano-; pelago- (sea, ocean); plankto- (drifting); thalasso- (sea, ocean).

【同源单词】abysm, abysmal, abysmally, abyss, abyssal, abyssal plains

词根词缀：-al, -ial, -eal

【来源及含义】Latin: suffix; pertaining to, like, of the kind of, relating to, characterized by, belonging to; action of, process of

【同源单词】abacterial, abdominal, abdominal adhesion, abdominal aorta, abdominal aortic aneurysm, abdominal aortography