crushing and separating ore into valuable substances or waste by any of a variety of techniques
oxidation number
Noun
the degree of oxidation of an atom or ion or molecule
oxidation state
Noun
the degree of oxidation of an atom or ion or molecule
odontiasis
Noun
the eruption through the gums of baby teeth
octane number
Noun
a measure of the antiknock properties of gasoline
octane rating
Noun
a measure of the antiknock properties of gasoline
oxtant
Noun
a unit of angular distance equal to half a quadrant
ordinal number
Noun
the number designating place in an ordered sequence
ohm
Noun
a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
oersted
Noun
the magnetic field strength 1 cm from a unit magnetic pole
ouguiya
Noun
the basic unit of money in Mauritania
ore
Noun
a monetary subunit in Denmark and Norway and Sweden
ore
Noun
a mineral that contains metal that is valuable enough to be mined
one-fifth
Noun
one part in five equal parts
one-sixth
Noun
one part in six equal parts
one-seventh
Noun
one part in seven equal parts
one-eighth
Noun
one part in eight equal parts
one-ninth
Noun
one part in nine equal parts
one-tenth
Noun
a tenth part
one-twelfth
Noun
one part in twelve equal parts
one-sixteenth
Noun
one part in sixteen equal parts
obolus
Noun
a Greek unit of weight equal to one tenth of a gram
one-thirty-second
Noun
one part in thirty-two equal parts
one-sixtieth
Noun
one part in sixty equal parts
one-sixty-fourth
Noun
one part in sixty-four equal parts
oz.
Noun
a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams
one-hundredth
Noun
one part in a hundred equal parts
one percent
Noun
one part in a hundred equal parts
one-thousandth
Noun
one part in a thousand equal parts
one-ten-thousandth
Noun
one part in ten thousand equal parts
one-hundred-thousandth
Noun
one part in a hundred thousand equal parts
one-millionth
Noun
one part in a million equal parts
one-half
Noun
one of two equal parts of a divisible whole
one-third
Noun
one of three equal parts of a divisible whole
one-fourth
Noun
one of four equal parts
one-quarter
Noun
one of four equal parts
octad
Noun
the cardinal number that is the sum of seven and one
ogdoad
Noun
the cardinal number that is the sum of seven and one
octonary
Noun
the cardinal number that is the sum of seven and one
one-hundred-millionth
Noun
one part in a hundred million equal parts
one-billionth
Noun
one part in a billion equal parts
one-trillionth
Noun
one part in a trillion equal parts
one-quadrillionth
Noun
one part in a quadrillion equal parts
one-quintillionth
Noun
one part in a quintillion equal parts
oodles
Noun
a large number or amount
one C
Noun
ten 10s
octal digit
Noun
a digit from 0 to 7 in octal notation
one thousand thousand
Noun
the number that is represented as a one followed by 6 zeros
one thousand million
Noun
the number that is represented as a one followed by 9 zeros
one million million
Noun
the number that is represented as a one followed by 12 zeros