an abstract part of something

an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system

any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

the most favorable environment for a plant or animal

one of four substances thought in ancient and medieval cosmology to constitute the physical universe

the situation in which you are happiest and most effective

a straight line that generates a cylinder or cone

a radioactive transuranic element which has been synthesized

a transuranic element

a transuranic element

a transuranic element

a radioactive transuranic element

a radioactive transuranic element

a radioactive transuranic element

a radioactive transuranic element

a radioactive transuranic element

a radioactive transuranic element

a radioactive transuranic element

a radioactive transuranic element

a radioactive transuranic element

a straight line joining the apex and a point on the base

a straight line running the length of the cylinder

relating to or being an element

relating to severe atmospheric conditions

of or being the essential or basic part

in an elementary manner

easy and not involved or complicated

of or pertaining to or characteristic of elementary school or elementary education

of or being the essential or basic part

education in elementary subjects (reading and writing and arithmetic) provided to young students at a grade school

(mathematics) geometry based on Euclid's axioms

(physics) a particle that is less complex than an atom; regarded as constituents of all matter

a school for young children; usually the first 6 or 8 grades

violent or severe weather (viewed as caused by the action of the four elements)