12-Letter Words Containing: H,E,A,T,H,E,R

• the use of chemical agents to treat or control disease (or mental illness)

• abnormally high body temperature; sometimes induced (as in treating some forms of cancer)

• green plant having a vascular system: ferns, gymnosperms, angiosperms

• depressed

• spherical deep diving apparatus (lowered by a cable) for underwater exploration

• Any plant, typically living in deserts, that obtains its water from long taproots that reach the water table

• the necessary means (especially financial means)