Boronnoun
The chemical element (symbol B) with an atomic number of 5, which is a metalloid.
Boronnoun
A single atom of this element.
Boronnoun
A nonmetallic element occurring abundantly in borax. It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic number 5. Atomic weight 10.81. Symbol B.
Boronnoun
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
Boronnoun
the chemical element of atomic number 5, a non-metallic solid.
Boron
Boron is a chemical element with the symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder.
Moronnoun
A stupid person; an idiot; a fool.
Moronnoun
A person of mild mental subnormality in the former classification of mental retardation, having an intelligence quotient of 50–70.
Moronnoun
A mentally retarded person whose intellectual development proceeds normally up to about the eighth year of age and is then arrested so that there is little or no further development; an adult having the mental development of an 8-to-12-year old. A moron is considered capable of doing routine work under supervision.
Moronnoun
Hence, a very stupid person.
Moronnoun
An inferior olive size having a woody pulp and a large clingstone pit, growing in the mountainous and high-valley districts around the city of Moron, in Spain.
Moronnoun
a person of subnormal intelligence