underlay

• Nom désignant une couche de matériau placée sous un tapis ou un revêtement de sol pour assurer amortissement, isolation ou soutien ; par extension, élément de base ou support sous-jacent.

A noun referring to a pad or layer of material placed underneath a carpet to provide cushioning, insulation, or support.

1. Carpet paddingB1formal

   A layer of material placed underneath a carpet to provide cushioning, insulation, and support.

   Sous-couche de moquette

   • The new underlay made the carpet feel much softer underfoot.
   • We installed a thick underlay to reduce noise from the floor below.
   • The underlay helps to extend the life of the carpet.

   Synonymescarpet padcushionpaddingunderfeltunderlayment

• Verbe signifiant placer quelque chose sous ou en dessous d'autre chose, souvent pour soutenir ou servir de base.

A verb meaning to place something under or beneath something else, often for support or foundation.

1. Raise or support printingC2formaltechnical

   To raise or support the level of printing by inserting a piece of paper or cardboard under the type.

   Intercaler pour surélever

   • The printer underlaid the type to ensure even pressure.
   • He underlaid the block with a thin sheet of paper.
   • The technician underlaid the plate to correct the impression.

2. Put something beneathC1formal

   To place something under or beneath another object.

   Placer sous

   • She underlaid the carpet with a soft foam pad.
   • They underlaid the tiles with a waterproof membrane.
   • The builder underlaid the foundation with gravel.

   Synonymesbolsterbuttresspadsupportunderpin

   Antonymesoverlaysuperpose

3. Provide with a base or backingC1formaltechnical

   To provide something with a base, support, lining, or backing.

   Pourvoir d'une base ou d'un support

   • The artist underlaid the canvas with a layer of gesso.
   • They underlaid the road with a strong asphalt base.
   • The craftsman underlaid the jewelry box with velvet.

   Synonymesbackbaselinepadsupportunderpin

• Verbe utilisé pour indiquer que quelque chose constitue la base, le fondement ou la cause sous-jacente d'autre chose.

A verb used to indicate being the foundation, basis, or hidden cause of something.

verbe irrégulier

1. Be the foundation ofC1formal

   To be the basis or foundation for something, often an idea, theory, or system.

   être à la base de

   • Several key principles underlie the theory of evolution.
   • Trust and communication underlie a healthy relationship.
   • Economic factors underlie many political decisions.

   Synonymesbasegroundsupportunderpin

2. Lie beneathC1formal

   To be located or situated beneath something else.

   Être situé sous

   • A layer of rock underlies the topsoil in this region.
   • The bedrock underlies the entire mountain range.
   • Ancient ruins underlie the modern city.