60. Chloride

Chloride /[klawr-ahyd]/ n [roxglish]

1. a salt of hydrofluoric acid consisting of two elements, one of which is fluorine, as sodium fluoride, NaF.

2. a compound containing fluorine, as methyl fluoride, CH₃F.

qh: you know, cannot brush teeth too many times.
rxn: oh cos of the chloride in the toothpaste right?
qh: *puzzled look*
rxn: correct ma! the swimming pool one is fluoride....