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Old Macintosh model, 6 letters
Campus center, perhaps, 10 letters
Four-pointed plane figure, 10 letters
Where activists might gather, 10 letters
A rectangular area surrounded on all sides by buildings, 10 letters
A four-sided polygon, 10 letters
Moon or horoscope division, 8 letters
One-fourth of a circle, 8 letters
A quarter of the circumference of a circle, 8 letters
Any of the four areas into which a plane is divided by two orthogonal coordinate axes, 8 letters
The area enclosed by two perpendicular radii of a circle, 8 letters
A measuring instrument for measuring altitude of heavenly bodies, 8 letters
Involving a quantity that is squared but not raised to a higher power, 9 letters
Kind of equation graphed as a parabola, 9 letters
Like some equations solved in Algebra I, 9 letters
Yielding a parabola, in a way, 9 letters
A polynomial of the second degree, 9 letters
An equation in which the highest power of an unknown quantity is a square, 9 letters
Q[2] and Q[i], for example, 15 letters
A branch of algebra dealing with quadratic equations, 10 letters
The construction of a square having the same area as some other figure, 10 letters
Architect.s molding, 6 letters
Like presidential elections, 11 letters
Of the second degree, in math, 7 letters
A curve or surface whose equation (in Cartesian coordinates) is of the second degree, 7 letters
First Ford auto, completed in 1896, 11 letters
Square dance for four couples, 9 letters
A square dance of 5 or more figures for 4 or more couples, 9 letters
Graph-maker's need, 14 letters
One followed by 15 zeroes, 11 letters
(in Britain and Germany) the number that is represented as a one followed by 24 zeros, 11 letters
An animal especially a mammal having four limbs specialized for walking, 9 letters
They have four feet, 10 letters
Serious scorecard blemishes, 15 letters
They involves eight atoms, 14 letters
Avoid/shun/skirt/eschew, 15 letters
Serious heart surgery, 15 letters
Adjusted for a larger group, as a recipe, 10 letters
What this puzzle is, orthographically, 16 letters
Cribbage play worth 16 points, 12 letters
Feature of this puzzle's theme answers?, 10 letters
The first Sunday in Lent, 12 letters
Blindness in one fourth of the visual field, 14 letters
A stereophonic sound recording or reproducing system system using four separate channels, 11 letters
A square-shaped object, 8 letters
A muscle of the thigh that extends the leg, 10 letters
A four-sided polygon, 13 letters
One part in a quadrillion, 13 letters
(obstetrics) woman who has given birth to a viable infant in each of four pregnancies, 10 letters
Paralysis of both arms and both legs, 12 letters
A person who is paralyzed in both arms and both legs, 12 letters
An offspring of a Mulatto and a White parent, 8 letters
A person who is one-quarter Black, 8 letters
A group of four men, 13 letters
A quantity that is four times as great as another, 9 letters
One of four children born at the same time from the same pregnancy, 10 letters
A set of four similar things considered as a unit, 10 letters
The cardinal number that is the sum of three and one, 10 letters
Any of four things that correspond to one another exactly, 13 letters