zero
noun
°The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0.
"The conductor waited until the passenger count was zero."
°The numeric symbol that represents the cardinal number zero.
"In unary and k-adic notation in general, zero is the empty string."
adjective
°Virtually none.
"She showed zero respect."
°Of a cloud ceiling, limiting vision to 50 feet (15 meters) or less.
verb
°To set a measuring instrument to zero; to calibrate instrument scale to valid zero.
°To change a memory location or range to values of zero; to set a variable in a computer program to zero.
synonyms: 0, aught, cipher, goose egg more» , naught, nil, no, null, cipher, slashed zero, origin, zero point, nadir, bugger all, nada, naught, nothing, nought, nowt, null, sod all, sweet fa, sweet fanny adams, zilch, zip, nobody, nonentity, root, additive identity, no, tare, zero out