【医】 Sphaerotilus natans
float; on the surface; unstable
【化】 flotation
swim; travel; wander
ball; globe; orb; sphere; the earth
【医】 ball; balloon; bulb; bulbi; bulbo-; bulbus; globi; globus; glomera
glomus; orb; sphaer-; sphaero-; sphere; sphero-
clothes; clothing; coating; covering
【医】 coat; lemma
bacillus; bacterium; germ; microbe; microphyte
【医】 bacteria; bacterio-