vdeckými
Vdeckými is the ASCII (non-diacritic) form of the Czech adjective vědecký in its instrumental plural. It is used to describe plural nouns in the instrumental case, typically after prepositions such as s (with) or in predicates indicating the means by which something is done. The diacritic version, vědeckými, is standard in proper Czech orthography.
In Czech, adjectives agree with the noun they modify in gender, number and case. The instrumental plural
Etymology traces vědecký to věda, meaning science or knowledge, with the adjective denoting a relation to science.
Usage notes: in formal or standard writing, the diacritic form vědeckými is preferred. The non-diacritic variant
See also: vědecký (the base form meaning “scientific”); věda (science).