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nounan 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
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nounany 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
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nounan abstract part of something
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nouna straight line that generates a cylinder or conetype of:
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nounone of four substances thought in ancient and medieval cosmology to constitute the physical universetype of:
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nounthe most favorable environment for a plant or animaltype of:
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nounthe situation in which you are happiest and most effectivetype of:
Definition that contains element
- i a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
- in a rare soft silvery metallic element; occurs in small quantities in sphalerite
- he a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
- no a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known
- be a light strong brittle grey toxic bivalent metallic element
- at a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
- as a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
- am a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
- first the first element in a countable series
- o a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust