про́ба — meaning in English

proba

English meaning

assay noun A test that determines the composition or purity of a substance, or the potency of a drug or biological sample.
attempt verb To try to do something, especially something difficult, without guaranteed success.
audition noun A short performance given to show a director or panel that you're suitable for a role or job.
experiment noun A controlled test carried out to check a hypothesis or discover something new.
fineness noun The quality of being fine or delicate.
hallmark noun A distinctive feature or trait that marks something as genuine or characteristic.
sample noun A small portion of something given or shown to represent the whole.
specimen noun A single example of something, used to represent or study the wider group it belongs to.
tasting noun An organised event where people sample small amounts of food or drink, usually to compare and judge them.
test noun A set of questions or tasks used to check someone's knowledge or ability.
trial noun A formal examination of evidence in court to decide whether someone is guilty of a crime or liable in a dispute.
try verb To make an attempt at doing something.

про́ба is used for these senses in English:

assay The act or process of ascertaining the proportion of a particular metal in an ore or alloy; especially, the determination of the proportion of gold or silver in bullion or coin.
assay (transitive) To analyze or estimate the composition or value of (a metal, ore etc.). [from 15th c.]
attempt The action of trying at something. [1530]
audition (countable) A performance, by an aspiring performer, to demonstrate suitability or talent.
experiment A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy or likelihood of something previously untried.
fineness The ratio, in a precious metal, of the primary metal to any additives or impurities.
hallmark An official marking made by a trusted party, usually an assay office, on items made of precious metals.
sample A part or snippet of something taken or presented for inspection, or shown as evidence of the quality of the whole; a specimen.

noun A test that determines the composition or purity of a substance, or the potency of a drug or biological sample.
verb To carry out such a test on a substance, especially an ore or metal.