trial basis

[ˈtraɪəl ˈbeɪsɪs]
noun phrase
base experimental / caráter experimental / base de testes
1. A temporary arrangement or period during which something is tested before a final decision is made; a probationary or experimental period
We hired her on a trial basis for three months before offering a permanent contract.
Contratamos ela em base experimental por três meses antes de oferecer um contrato permanente.
2. A preliminary test or evaluation period to determine suitability or effectiveness
The software is available on a trial basis for new customers.
O software está disponível em caráter experimental para novos clientes.
3. A conditional or tentative arrangement subject to change or termination
They started the partnership on a trial basis to see if it would work out.
Eles iniciaram a parceria em base experimental para ver se funcionaria.
This phrase is commonly used in both American and Brazilian business contexts, particularly in employment, software licensing, and partnership agreements. In Brazil, it reflects the formal and legal nature of employment contracts, where trial periods (períodos de experiência) are explicitly recognized by labor law. In the USA, it's frequently used in tech and service industries for free trials or probationary periods.
NYC Slang
on a test run / on probation / trial period
Synonyms / Sinônimos
experimental basisprobationary periodtest periodprovisional basistemporary arrangement
Antonyms / Antônimos
permanent basisdefinitive arrangementfinal decision

Regional Variations

General Brazilian
em base experimental / em caráter experimental
Most common usage in business and employment contexts
São Paulo
em base de testes / período de avaliação
Common in corporate and technology sectors
Rio de Janeiro
em caráter experimental / por enquanto
More colloquial usage
Portugal
em base experimental / período de teste
Similar to Brazilian usage but with slight vocabulary variations

Related Words

trialprobationtestexperimentalprovisionaltemporaryevaluation

Related Idioms & Phrases

on a trial basis
trial and error
put something on trial
trial period
experimental phase
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