Englishfor English speakers
algebra
Noun
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Algebra is a kind of mathematics where a letter (called a variable) can replace a number that is not known.
Using algebra, we can define a line with the formula mathy = x + 3/math
manifold
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noun
a pipe that has several lateral outlets to or from other pipes
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adjective
(= multiplex)
many and varied; having many features or forms
manifold reasons
our manifold failings
manifold intelligence
the multiplex opportunities in high technology
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noun
a set of points such as those of a closed surface or an analogue in three or more dimensions
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verb
make multiple copies of
multiply a letter
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verb
(= multiply)
combine or increase by multiplication
He managed to multiply his profits
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noun
a lightweight paper used with carbon paper to make multiple copies
an original and two manifolds