词根词缀：plankto-, plankt-, -plankton

【来源及含义】Greek: passively drifting, wandering, or roaming

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

【同源单词】acroplankton, aeroplankton, anemoplankton, anthoplankton, astroplankton, bathyplankton

词根词缀：rheo-, rhea-, rhe-, rhy-

【来源及含义】Greek: a flow, wave; current of a stream, current; electrical current

【同源单词】bioelectrorheology, electrorheological, electrorheologist, electrorheology, hemorheology, hydrorheostat