(n) attend a dying person
(n) acetic anhydride
(n) clear and serene (as a polished mirror and still water)
(n) organic mercury
(n) amniocentesis
(n) hydrogen iodide
HI
(n) mercury fulminate
(n) mutual love
the love one shows to another person being returned
(n) irrigation works
(n) stagnant water
(n) mercury sulfide (esp. mercuric sulfide, HgS, but also mercurous sulfide, Hg2S) (sulphide)
(n) hydrogen sulphide
hydrogen sulfide
sulphuretted hydrogen
sulfuretted hydrogen
(n) (1) phosphine
phosphane
(2) diphosphine
diphosphane
(3) hydrogen phosphide
(n) (1) phosphine
phosphane
(2) diphosphine
diphosphane
(3) hydrogen phosphide
(n,vs) rubdown with a wet towel
cold-water rubbing
(n) (uk) (trumpet) daffodil
(n) irrigation water
(n) (obsc) arsine
(n) filter bed
(n) Indian buffalo
(n) discharge water from a dam
(n) hydrogen fluoride
HF
(n) reversible pump-turbine
(n) methylmercury
methyl mercury
(n) hydrogen iodide
HI
(n) (1) phosphine
phosphane
(2) diphosphine
diphosphane
(3) hydrogen phosphide
(n) (1) phosphine
phosphane
(2) diphosphine
diphosphane
(3) hydrogen phosphide
(n) primary cooling water
(n) hot water tank
(n) heated swimming pool