macro- [GK]= large 大; long 长; abnormally large 宏大

macroclimate n. [气] 大气候 

macrobian n. 长寿的人 [bi = life]

macrobiotics n. 长寿法 [bi = life] 

macrocosm n. [物]宏观世界 [cosm = world ] 

macrophysics n. 宏观物理学

magneto- [GK]= magnet 磁

magnetoelectric  a. 磁电的

magnetograph n. 地磁强度记录仪 [-graph = a measuring device]

magnetophone n. 磁带录音器 [-phone = an instrument for better sound] 

magni- [L] = large 大

magnificent a. 宏观的，壮丽的 [fic = to make] 

magniloquence n. (文风等）华而不实[loqu = to speak]

mani- [L] = hand 手

manicure n. 修指甲 [cur = care]

manifest a. 明白的 v.表明 [fest = able to be seized]

manipulate v. 操作 [pulate = to fill] 

matri- [L] = mother 母亲 

matriarch n. 女家长；女族长  [-arch = chief]

matricide n. 杀母（罪）者  [-cide = killing，killer]

matrilineal a. 母系的

maxi - [L] = very long 特别长的；very large 特别大的 

maxicoat n. 长大衣

maxiskirt n. 拖到脚踩的长裙

maxi-order n. 特大的定货单（order n. 定单)

maxi-taxi n. 大型计程车

medi- [L] = middle 中间的

medieval a. 中世纪的 [ev=age]

mediocre a. 中等的；平庸的 [ocr = jagged mountain]

Mediterranean n. 地中海 [terr = land, earth]