词根词缀：nano-, nan-, nanno-, -nania

【来源及含义】Greek: dwarf, dwarfish; pygmy; "little old man;" very small or tiny; also, a decimal prefix used in the international metric system for measurements

【相关描述】This prefix is used in the metric [decimal] system as billionth [U.S.] and thousand-millionth [U.K.], 10^-9 [0.000 000 001]. The metric symbol for nano- is n.

【相关词根词缀】Related "few, small, less, little" word units: micro-; mini-; mio-, meio-; oligo-, olig-.
Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; micro; pico; femto; atto; zepto; yocto.

【同源单词】bionanotechnology, nanandrous, nanism, nanization, nannandrous, nannofossil

词根词缀：tub-

【来源及含义】Latin: pipe

【相关词根词缀】 A cross reference of word units that are related, directly and/or indirectly, with "tube, pipe": aulo-; can-, cann-; duc-, -duct (to lead, leading); fistul-; siphon-.

【同源单词】acinotubular, nanotube, tube, tubicole, tubing, tuboabdominal