someone who practices the magical power or process of transmuting a common substance, usually of little value, into a substance of great value alchemists were popular during the middle ages.
alloys
A mixture or solid solution of two or more metals
Brass is an alloy of zinc and copper.
amalgams
any alloy of mercury with another metal or other metals
Silver amalgam that was used as a dental filling is no longer widely prescribed by dentists.
banned
to prohibit
Students are banned from bringing fire arms to school.
carroting
a process of separating fur from the hide. carroting is no longer used in the process of making felt hats.
cavities
a hollow place in a tooth caused by decay
Many cities put fluoride in their water to prevent cavities in children.
cinnabar
mercuric sulfide, HgS, a heavy, bright-red mineral, the principal ore of mercury cinnabar is generally found in a massive, granular or earthy form and is bright scarlet to brick-red in color.
concern
to have a relation to or bearing on
When the baby failed to thrive, ensuring her growth became the mother's major concern.
controversy
a prolonged public dispute, debate, or contention; disputation concerning a matter of opinion
Major controversy regarding his service records surrounds the new presidential candidate.
detrimental
causing damage
Her poor study habits proved to be detrimental in her ability to get into a good college.
fluorescent
possessing the property of fluorescence
Some studies have shown fluorescent lights can increase intelligence.
isolate
to cause to be alone or apart from others
The teacher isolated the bad child from the class before talking with her.
liabilities
something disadvantageous
The children were prohibited from playing on the construction site because of the liabilities the owners can face.
maintained
To keep up or carry on
Despite the fact the fire had ravaged their home, she maintained a sense of normalcy for her children.
Mercury
a heavy, silver-white metallic chemical element, mercury is used in thermometers.
ointments
a fatty substance applied to the skin for healing
Her mother made a special ointment that healed all types of ailments.
poisonous
capable of injuring or killing by or as by poison
There are many forms of poisonous mushrooms.
prohibit
forbid by law or by an order
He prohibited his son from going to the party because of his poor grades.
prolonged
to lengthen or extend in time or space
When her husband was deployed to the war zone, she tried to prolong her goodbye as long as possible.
properties
an essential or distinctive attribute or quality of a thing
Many scientists attempted to study the properties of his mind; they were curious to know what made him so intelligent.
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