burette

n (chemistry 化) glass tube with a tap, used for measuring small quantities of liquid let out of it 滴定管; 量管.

bunion, bunk, bunker, bunkum, bunny, Bunsen burner, bunting, buoy, buoyancy, buoyant, buoyantly, bur (also burr), burble, burden, burdensome, bureau, bureaucracy, bureaucrat, bureaucratic, bureaucratically, burgeon, burger, burgh, burgher, burglar, burglar-alarm, burglar-proof, burglary, burgle, burgomaster, Burgundy, burial, burial service, burial-ground, burlesque, burliness, burly, burn, burn (itself) out, burn (sth) to sth,