burr

lappola

Involucro spinoso di un seme che si attacca ai vestiti o al pelo degli animali.

In inglese semplice: A prickly seed case that can stick to clothes or animal hair.

• A burr stuck to my coat.
• The dog came home covered in burrs.
• She picked burrs out of her socks.

Sinonimi: bur

Espressioni comuni: burr on something, prickly burr, remove a burr

bava

Piccola sporgenza ruvida che resta sul bordo di un materiale dopo il taglio.

In inglese semplice: A small rough piece left sticking out along the edge of material after cutting.

• There is a burr on the metal edge.
• File off any burrs before joining the pieces.
• Drilling left sharp burrs around the hole.

Espressioni comuni: metal burr, sharp burr, remove a burr

macina

Disco o cono ruvido che ruota per frantumare o macinare materiali duri.

In inglese semplice: A rough rotating disk or cone that crushes or grinds hard material.

• The grinder has a ceramic burr.
• Worn burrs can grind coffee unevenly.
• He replaced the steel burr in the mill.

Espressioni comuni: burr grinder, ceramic burr, steel burr