Examlex
What is the total number of protons and neutrons in the nucleus of an atom of the fissionable isotope of uranium used in nuclear weapons,²³⁵U,which has an atomic number of 92?
Prophylactic
A prophylactic is a measure or medication taken to prevent disease or a specific condition.
Guarding
A reflex contraction of the abdominal muscles, often in response to pain from underlying organs or inflammation.
Prefix
A word, letter, or number placed before another.
Root
The part of a plant that typically lies below the surface of the soil, anchoring the plant and absorbing water and nutrients.
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