identical has definitions from the field of physics
1
[ adjective ] exactly alike; incapable of being perceived as different

Examples

"rows of identical houses" "cars identical except for their license plates" "they wore indistinguishable hats"

Used in print

(Francis J. Johnston and John E. Willard, "The...)

Following observation of the fact that the reaction rates of supposedly identical reaction mixtures prepared on the same filling manifold and exposed under identical conditions often differed by several hundred per_cent , a systematic series of experiments was undertaken to see whether the difficulty could be ascribed to the method of preparing the chlorine , to the effects of oxygen or moisture or to the effect of surface to volume ratio in the reaction tubes .

Following observation of the fact that the reaction rates of supposedly identical reaction mixtures prepared on the same filling manifold and exposed under identical conditions often differed by several hundred per_cent , a systematic series of experiments was undertaken to see whether the difficulty could be ascribed to the method of preparing the chlorine , to the effects of oxygen or moisture or to the effect of surface to volume ratio in the reaction tubes .

(Frederick Mosteller et al., Probability with...)

Experiments are often composed of several identical trials , and sometimes experiments themselves are repeated .

For an experiment to qualify as a binomial experiment , it must have four properties : ( 1 ) there must be a fixed number of trials , ( 2 ) each trial must result in a `` success '' or a `` failure '' ( a binomial trial ) , ( 3 ) all trials must have identical probabilities of success , ( 4 ) the trials must be independent of each other .

Related terms

same

2
[ adjective ] being the exact same one; not any other:

Examples

"this is the identical room we stayed in before" "the themes of his stories are one and the same" "saw the selfsame quotation in two newspapers" "on this very spot" "the very thing he said yesterday"

Used in print

(William G. Pollard, Physicist and Christian....)

Yet the spirit which lives in community is not identical with the community .

(Nathan Rapport, ""I've Been Here before!"...)

At that moment Kipling was overwhelmed with awed amazement , suddenly recalling that these identical details of scene , action and word had occurred to him in a dream six weeks earlier .

If Depew had told any academic psychologist that he had a weird feeling of having lived through that identical convention session at some time in the past , he would have been informed that he was a victim of deja_vu .

(Howard Nemerov, "Themes and Methods: The Early...)

His religiousness is intimately , or dialectically , connected with his sinfulness ; the two may in_fact be identical .

(B. J. D. Meeuse, The Story of Pollination....)

This must be_due to a completely identical response to the weather , in the plant and the animal .

Related terms

same

3
[ adjective ] coinciding exactly when superimposed

Synonyms

superposable

Examples

"identical triangles"

Related terms

congruent

4
[ adjective ] (physics) having properties with uniform values along all axes

Related terms

physics isotropic

5
[ adjective ] (of twins) derived from a single egg or ovum

Synonyms

monovular

Examples

"identical twins are monovular"

Related terms

fraternal

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