udon

noun

A Japanese wheat noodle

uglification

The process of making or becoming ugly.

ulceration

The formation of a break on the skin or on the surface of an organ. An ulcer forms when the surface... Leer más »

ultrafiltration

noun

Filtration through a semipermeable membrane that only allows small molecules through.

ultramarathon

noun
  1. a long-distance running race that is longer than a marathon (which is strictly 26 miles 385 yards/
... Leer más »