Cipher; nothing. The point of a thermometer from which it is graduated. zero in the thermometers of Celsius and Reaumur, is at the point at which water congeals. The zero of Fahrenheits thermometer is fixed at the point at which the mercury stands when immersed in a mixture of snow and common salt. In Wedgewoods pyrometer, the zero corresponds with 1077 degrees on Fahrenheits scale.
Word of the Day: Catachrestical
2. The point from which the graduation of a scale, as of a thermometer, commences.
3. Fig.: The lowest point; the point of exhaustion; as, his patience had nearly reached zero.
Unsubstantiality Roget’s Thesaurus §4
N. unsubstantiality, insubstantiality, nothingness, nihility, no degree, no part, no quantity, no thing, nothing, naught, nil, nullity, zero, cipher, no one, nobody, never a one, ne'er a one, no such thing, none in the world, nothing whatever, nothing at all, nothing on earth, not a particle, all talk, moonshine, stuff and nonsense, matter of no importance, matter of no consequence, thing of naught, man of straw, john doe and richard roe, faggot voter, nominis umbra, nonentity, flash in the pan, vox et praeterea nihil, shadow, phantom, dream, ignis fatuus, "such stuff as dreams are made of", air, thin air, vapor, bubble, "baseless fabric of a vision", mockery, hollowness, blank, void, inanity, fool's paradise
Adj. unsubstantial, baseless, groundless, ungrounded, without foundation, having no foundation, visionary, immaterial, spectral, dreamy, shadowy, ethereal, airy, cloud built, cloud formed, gossamery, illusory, insubstantial, unreal, vacant, vacuous, empty, eviscerated, blank, hollow, nominal, null, inane
Phr. there's nothing in it, "an ocean of dreams without a sound", 3, formal existence internal conditions
Zero Roget’s Thesaurus §101
N. zero, nothing, null, nul, naught, nought, void, cipher, goose egg, none, nobody, no one, nichts, nixie*, nix*, zilch, zip, zippo, not a soul, ame qui vive, absence, unsubstantiality
Adj. not one, not a one, not any, nary a one, not a, never a, not a whit of, not an iota of, not a drop of, not a speck of, not a jot, not a trace of, not a hint of, not a smidgen of, not a suspicion of, not a shadow of, neither hide nor hair of