вы́явить

uncommon #8313

verbperfective imperfective is выявля́ть

1.
to detect, to identify, to uncover, to find
Удало́сь вы́явить со́тни неплате́льщиков нало́гов.
Hundreds of tax evaders were detected.
Often of hidden things found by checking: diseases, offenders, defects.
2.
to reveal, to bring to light, to establish, to clarify
Коми́ссия вы́явила причи́ны ава́рии.
The commission established the causes of the accident.
Typically of causes, problems or relationships made clear by investigation.

Usage info

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Я не могу́ вы́явить пробле́му.
I can't pinpoint the problem.
У больного выявили невропатический характер боли.
The patient was found to have neuropathic pain.
Программи́сты не могли́ вы́явить причи́ну ба́га.
The programmers could not find the cause of the bug.
Наш экспериме́нт вы́явил нето́чность в его отчёте.
Our experiment has revealed that his report was inaccurate.
Ларингоскопия помогла выявить причину кашля.
The laryngoscopy helped identify the cause of the cough.
Выслушивание лёгких помогает выявить болезнь.
Auscultation of the lungs helps detect disease.
Факторный подход помогает выявить главные причины проблемы.
A factor-based approach helps identify the main causes of the problem.
Аудиторская проверка выявила несколько серьёзных нарушений.
The audit uncovered several serious violations.

Imperative
ты	вы́явь
вы	вы́явьте

Active present	-
Active past	вы́явивший	having revealed, having identified, having detected, having exposed
Passive present	-
Passive past	вы́явленный	revealed, detected, identified, disclosed
Gerund present	-
Gerund past	вы́явив выявивши	while doing (past)