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"Contrastado" is a form of "contrastar", an intransitive verb which is often translated as "to contrast". "A" is a preposition which is often translated as "to". Learn more about the difference between "contrastado" and "a" below.
contrastar(
kohn
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trahs
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tahr
)An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. to contrast
La opinión política de tus padres contrasta mucho con la tuya.Your parents' opinion about politics contrasts a lot with yours.
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
a. to check
Los periodistas deben contrastar sus fuentes antes de publicar una noticia.Journalists must check their sources before publishing a piece of news.
b. to verify
Quiero contrastar el diagnóstico de mi médico con otro especialista.I want to verify the diagnosis my doctor gave me with some other specialist.
c. to confirm
Contrasta tus datos varias veces antes de decirle a tu jefe que cometió un error.Confirm your facts several times before telling your boss he made a mistake.
3. (metallurgy)
a. to assay
El joyero contrastó el colgante y determinó que era oro puro.The jeweler assayed the pendant and found it to be pure gold.
b. to hallmark (with a seal)
La oficina contrastó esta pieza porque está hecha de un metal precioso.The office hallmarked this article because it's made of a precious metal.
a, la a(
ah
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Podía respirar a duras penas.He was hardly able to breathe.
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
¡A fregar los platos!Go do the dishes!
¡A la cama!Off to bed!
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Me encantaría ganar dinero a espuertas.I would love to earn lots of money.
Llovía a cántaros.It was pouring.
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
An abbreviation is the shortened form of a word or group of words (e.g., "UFO" = "unidentified flying object"; "p." = "page").
a. A
El circuito transporta una corriente de 1 A.The circuit carries a current of 1 A.
La intensidad de la corriente eléctrica se mide en A.The intensity of an electric current is measured in A.