词根词缀：dys-
【来源及含义】Greek: bad, harsh, wrong; ill; hard to do, difficult at; slow of; disordered; impaired, defective
【相关词根词缀】Inter-related cross references, directly or indirectly, involving word units meaning "bad, wrong": caco-, kako-; mal-; mis-; pessim-; sceler-. Cross references directly, or indirectly, involving "slow, slowness, slow of, sluggish": lent-; tard-.
【同源单词】acrodysaesthesia, acrodysostosis, algesidystrophy, algodystrophy, amebic dysentery, amylodyspepsia
词根词缀：mega-, meg-
【来源及含义】Greek: large, great, big, powerful
【相关描述】When measuring in the metric [decimal] system, it means a million [U.S.] or millionfold [U.K.]: 106 [1 000 000]. The metric symbol for mega- is M.
【相关词根词缀】 Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; megalo-. Related "metric" families: yotta; zetta; exa; peta; tera; giga; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.
【同源单词】alphmegamia, dysmegalopsia, electronic megaphone, hydromegathermia, hydromegathermic, kilomegacycle
词根词缀：megalo-, megal-, -megalia, -megaly
【来源及含义】Greek: large, big, very big
【相关词根词缀】 Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; mega-.
【同源单词】acromegalogigantism, acromegaloidism, acromegaly, adenomegaly, adrenomegaly, angiomegaly
词根词缀：op-, opt-, optico-, opsi-, opso-, -opia, -ops, -opsia, -opsis, -opsy, -optic, -opic, -opy
【来源及含义】Greek: eye[s]; sight; see, vision
【相关词根词缀】 Related references to "eye" or "eye part" word families: blepharo-; core-; corneo-; eye, eyes; irido-; lenti-, lens-; lenticulo-; ocelli-; oculo-; ophthalmo-; phaco-; pupillo-; retino-; uveo-. Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": blep-; delo-; demonstra-; -orama; pare-; phanero-; phant-; pheno-; scopo-; spec-; vela-, veal-; video-, visuo-.
【同源单词】achromat, achromatopsia, acyanoblepsia, acyanopsia, aeluropsis, aglaucopsia