Solder vs Mortar - What's the difference?
solder | mortar |
Any of various alloys, often of tin and lead, that are used to join small pieces of metal together
(uncountable) A mixture of lime or cement, sand and water used for bonding bricks and stones.
(countable, military) A muzzle-loading, indirect fire weapon with a tube length of 10 to 20 calibers and designed to lob shells at very steep trajectories.
(countable) A hollow vessel used to pound, crush, rub, grind or mix ingredients with a pestle.