QUICK ANSWER
"Thickness" is a noun which is often translated as "el grosor", and "thick" is an adjective which is often translated as "grueso". Learn more about the difference between "thickness" and "thick" below.
thickness(
thihk
-
nihs
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
a. el grosor (M)
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
The thickness of the walls will help to soundproof the hotel rooms.El grosor de las paredes ayudará a insonorizar las habitaciones del hotel.
b. el espesor (M)
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
Because you are very nearsighted, there will be extra thickness at the edge of the lens.Porque eres muy miope, el extremo de la lente tendrá un espesor adicional.
a. la densidad (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
I couldn't breathe because of the thickness of the smoke that was pouring out of the chimney.No podía respirar por la densidad del humo que salía por la chimenea.
b. la abundancia (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
Since he was balding, he was envious of the thickness of his brother's hair.Como se estaba quedando calvo, envidiaba la abundancia del pelo de su hermano.
c. espeso
The number of crackers that you will add will depend on the thickness of the sauce you want.La cantidad de galletas que añadas va a depender de lo espesa que desees la salsa.
d. tupido
The thickness of this mammal's coat allows it to survive the harsh conditions of the tundra.Lo tupido del pelaje de este mamífero le permite aguantar las duras condiciones de la tundra.
3. (layer)
thick(
thihk
)An adjective is a word that describes a noun (e.g., the big dog).
1. (size)
a. grueso
They covered the cake with a thick layer of frosting.Cubrieron el pastel con una capa gruesa de glaseado.
b. gordo (colloquial)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
You wouldn't believe how thick my math book is.No te imaginas lo gordo que es mi libro de matemáticas.
3. (dense)
4. (language)
5. (colloquial) (stupid)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
a. corto (colloquial)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
His new friend is a bit thick.Su nuevo amigo es un poco corto.
6. (voice)
a. pastosa (from drinking too much)
His voice was thick when he answered the phone.Tenía la voz pastosa cuando contestó al teléfono.
7. (slang) (having a big butt and legs)
A very informal word or phrase used by a particular group or community as a substitute for standard language (e.g., joint, john).
b. gordibueno (colloquial)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
Sara likes thick guys.A Sara le gustan los hombres gordibuenos.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
The snow fell so thick that it was unsafe to drive.Nevó tan copiosamente que conducir era peligroso.
The toast was spread thick with jelly.La tostada tenía una capa bien gruesa de jalea.
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
I met them in the thick of the night.Me los encontré en plena noche.
She likes to be in the thick of things.Le gusta estar donde está la acción.