zeroes
ze*ro
noun
{bc}the arithmetical symbol 0 or 0u0338 denoting the absence of all magnitude or quantity
zero
verb
{bc}to determine or adjust the zero of
patient zero
noun
{bc}a person identified as the first to become infected with an illness or disease in an outbreak
zero in on
phrasal verb
{bc}to direct all of oneu0027s attention to (someone or something)
zero out
phrasal verb
{bc}to reduce the amount of (something) to zero