词根词缀:astro-, astr-
【来源及含义】Greek: star, stars, star shaped; also pertaining to outer space
【同源单词】apastron, archaeoastronomer, archaeoastronomy, astro-alchemist, astrobiology, astroblast
词根词缀:meter-, metro-, metr-, -metrical, -metrically, -metron, -metric, -metrist, -meter, -meters, -metry, -metre
【来源及含义】Greek: measure
【相关词根词缀】 Related "measure" and "metric" words and charts: mens-; Metric Chart of Units; Metric-Length Converter; Metric Units and Links.
【同源单词】absorptiometry, accelerometer, acetimeter, acetimetry, acidimeter, acidimetry
词根词缀:photo-, phot-, -photic
【来源及含义】Greek: light; ultraviolet and infrared radiation; radiant energy
【相关词根词缀】 Etymologically related "light, shine, glow" word families: ethero-; fulg-; luco-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; scinti-, scintill-; splendo-.
【同源单词】aphotesthesia, aphotic, aphototaxis, aphototropism, astrophotograph, astrophotographer