sellador
/seʝaˈdoɾ/
The English word "sealant" is translated into Spanish as sellador.
A sealant is a material used to seal a surface to prevent the passage of fluids. In technical or industrial contexts, you may also see the term sellante used as a synonym.
Meaning: material used to seal a surface so as to prevent passage of a fluid (noun)
What does it mean word for word?
The word sellador is derived from the verb sellar (to seal) combined with the suffix -dor, which denotes an agent or tool that performs an action, meaning "sealer" or "one who seals".
Is it said differently in some regions?
In Argentina, the term sellante may be used to describe a sealant. In Spain, masilla selladora is a common way to describe a sealant and adhesivo sellador may be used instead of adhesivo sellante.
How does it change in a sentence?
The noun sellador can change to the feminine form selladora if the specific sealant being referred to is a feminine noun, such as la masilla. The plural form of sellador is selladores.
How do you pronounce it?
/seʝaˈdoɾ/
Did you know?
- The word sellador shares a root with sello, which means both a 'rubber stamp' and a 'postage stamp'. This links the industrial concept of sealing a gap to the administrative act of authenticating a document.
- While 'sellador' is the standard term, a plumber might ask for silicona even if they are referring to a generic liquid sealant. In many Spanish-speaking households, the specific brand or type of material has become the common name for the tool itself.
- In the context of dentistry, a sellador is the specific term for a pit and fissure sealant used to prevent cavities in children's teeth.
Examples in context
- Necesito un sellador para reparar el techoI need a sealant to fix the roof
- El técnico aplicará masilla de sellado en las juntas de expansiónThe technician will apply sealing compound to the expansion joints
- Este adhesivo sellante es ideal para unir materiales porososThis sealant adhesive is ideal for bonding porous materials
- He usado silicona para sellar el fregaderoI have used sealant to seal the sink
- Necesito comprar un sellador para la ventana.I need to buy a sealant for the window.
- El sellador de silicona es muy resistente.The silicone sealant is very resistant.
- Aplica el sellador con mucho cuidado.Apply the sealant very carefully.
Example conversation
Mateo and María are in a hardware store.
- Mateo¿Tienes un sellador para la bañera?Do you have a sealant for the bathtub?
- MaríaSí, tenemos este sellador de color blanco.Yes, we have this white sealant.
- MateoPerfecto, me llevaré este para la reparación.Perfect, I will take this one for the repair.
- MaríaMuy bien, lo guardaré en la caja.Very well, I will put it in the box.
Sources
- Pronunciation: Wiktionary entry sellador, CC BY-SA 4.0, dump of 2026-09-26.
