Glossary results for "U"

a long bone in the forearm

a type of electromagnetic radiation that is emitted by the sun and some artificial sources

a tube that connects the baby to the mother's placenta

a portable, handheld device that shields the user from rain or sunlight

made up of only one cell

not meeting the requirements for a particular purpose

a force that pushes an object upwards in a fluid

a chemical element with the symbol U and atomic number 92

the seventh planet from the Sun

a chemical compound that is found in urine

a liquid waste product that is produced by the kidneys

a type of light that is invisible to the human eye