for·mal·de·hyde 
(fôr-măldə-hīd′)
(fôr-măldə-hīd′)n.
A pungent colorless flammable gaseous compound, CH2O, the simplest and most reactive aldehyde, used for manufacturing melamine and phenolic resins, fertilizers, dyes, and embalming fluids and in aqueous solution as a preservative and disinfectant.
[FORM(IC ACID) + ALDEHYDE.]
- hold horses
- holding
- holding company
- holding pattern
- hold/keep (one's) end up
- hold off
- hold on
- hold one's end up
- hold (one's) horses
- hold one's horses
- hold (one's) own
- hold one's own
- hold one's peace
- hold one's tongue
- hold out
- holdout
- hold out on
- hold out on (someone)
- hold out on someone
- hold over
- holdover
- hold own
- hold peace
- hold (someone's) feet to the fire
- hold someone's feet to the fire