Adjective:

देख-भाल का, तेज़नज़र,

observational's Usage Examples:

He was originally a watchmaker, but retired from business about the age of thirty and devoted himself to experimental and observational science.

All along the base of the highlands, from Khojent to Vyernyi, earthquakes are frequent; 3 but their effects lie beyond the scope of our observational methods.

The observational method applied to consciousness gives us the science of psychology.

This observational method Cousin regards as that of the 18th century, - the method which Descartes began and abandoned, and which Locke and Condillac applied, though imperfectly, and which Reid and Kant used with more success, yet not completely.

With the development of observational astronomy the sidereal universe was arbitrarily divided into areas characterized by special assemblages of stars; these assemblages were named asterisms by Ptolemy, who termed the brightest stars "of the fi rst magnitude," and the progressively fainter Stars.

Thus the differences in the wave-lengths of presumably the same lines as measured by different Arctic observers may be only partly due to unfavourable observational conditions.

Whilst no small amount of observational work has been done in these new branches of atmospheric electricity, the science has still not developed to a considerable extent beyond preliminary stages.

In the southern hemisphere there is comparatively little inhabited land in high latitudes and observational data are few; thus little is known as to how the frequency varies with latitude and longitude.

It is an experimental or observational science, founded on primary or immediate judgments (in his phraseology, perceptions), of relation between facts of intuition; its conclusions are hypothetical only in so far as they do not imply the existence at the moment of corresponding real experience; and its propositions have no exact truth.

Observational astronomy, meanwhile, was advancing to some extent independently.

Synonyms:

experimental, empiric, empirical, data-based,

Antonyms:

theory-based, hypothetical, divinatory, a priori, theoretical,