marimba: a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets
percussion instrument: a musical instrument in which the sound is produced by one object striking another
chrysophyta: mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta