| Subject | English | Spanish |
| tech. | abrasive mat discs | discos de estopa abrasiva |
| tech. | abrasive mat discs | discos de estera abrasive |
| agric. | Chinese mat grass | hierba de las esteras chinas (Cyperus tegetiformis) |
| agric. | floor mat for laying nest | estera para nidal |
| food.ind. | foam mat drying | secado a espuma (Drying of foods by whipping a liquid concentrate to a foam spreading on a tray and drying in a stream of warm air) |
| lab.eq. | foam mat drying | secado en estera de espuma |
| agric. | Japanese mat rush | junco de las esteras japonesas (Juncus effusus) |
| bot. | Japanese mat rush | junco de esteras Juncus effusus |
| bot. | mat bean | fríjol moth Phaseolus trilobus, P. aconito |
| bot. | mat bean | judía moth Phaseolus trilobus, P. aconito |
| tech. | mat binder | aglutinante para alfombras |
| industr., construct., met. | mat cutting | talle mate |
| industr., construct., met. | mat cutting | tallado mate |
| nat.sc., agric. | mat disease | cardenillo |
| nat.sc., agric. | mat disease | moho amarillo |
| industr., construct., met. | mat-etching paste | pasta para grabado mate |
| industr., construct., chem. | mat formation | formación de mat |
| wood. | mat forming | formación de la manta |
| industr., construct. | mat-forming | formación de la manta |
| bot. | mat-forming | cespitoso |
| agric. | mat grass | cervino (Nardus stricta) |
| bot. | mat-grass | cervuno Nardus stricta |
| industr., construct., chem. | mat lay distribution | reparto de las fibras |
| industr., construct., chem. | mat line | máquina mat |
| industr., construct., chem. | mat machine | máquina mat |
| chem. | mat molding | prensado con fieltros o preformas |
| chem. | mat moulding | prensado con fieltros o preformas |
| industr., construct. | mat of low moisture-absorption capacity | fieltro de baja capacidad hidrófila |
| industr., construct., chem. | mat roller | rollo de "mat" |
| nat.res. | mat-rush | juncia estrecha (Schoenoplectus lacustris Palla, Scirpus lacustris L.) |
| nat.res. | mat-rush | cirpo lacustre (Schoenoplectus lacustris Palla, Scirpus lacustris L.) |
| nat.res. | mat-rush | junco de laguna (Schoenoplectus lacustris Palla, Scirpus lacustris L.) |
| industr., construct., chem. | mat stripping | deslaminado de mat |
| mech.eng., el. | mat-type insulant | aislante tipo colchón |
| nat.sc., agric. | mat weed | espolín (Stipa pennata) |
| mun.plan. | protective mat for placing under furniture | pieza para debajo de las patas de los muebles |
| med. | straw-mat dermatitis | dermatitis de Schamberg |
| med. | straw-mat dermatitis | sarna de los cereales |