You can find definition of us below. Words can have several meanings depending on the context. Their meaning may vary depending on where they are used. Please choose approriate definition according to part of speech and context. We have found 4 different definitions of us. us is a 2 letter word. It starts with u and ends with s.
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
the 21st letter of the Roman alphabet