| EMPTYSET | In maths, the union of A with the ____ is A |
| OGEE | What is the moulding of a double curve formed by the union of a concave and convex line used for arc |
| ALLIANCE | Union of a couple of students making a nice change (8) |
| RANGE | A rank or row; a cooking stove; or, in maths, the set of all possible values the function can produce (5) |
| CUBE | In maths, the third power of a quantity (4) |
| POLYNOMIAL | In math, the sum of a number of terms |
| SCARLETLETTER | 1850 Nathaniel Hawthorne novel featuring a red "A," with "The" |
| ACUTE | In maths, the term describing an angle less than 90 degrees (5) |
| SOLUTIONSET | In maths, the values satisfying one or more equations or inequalities |
| BIGS | Step up from Triple-A, with "the" |
| UTRECHT | City in the central Netherlands; scene of the signing of the Union of --- (1579) |
| ATTHEDROPOFAHAT | Frenetically head for that top A with the slightest encouragement (2,3,4,2,1,3) |
| ALAMO | The ___ is a mission in Texas which was the site of a siege in 1836 (5) |
| ROOM | The emotional travails of Miss Lucy Honeychurch are the subject of EM Forster's third novel, A ... With A View |
| NORTH | In one direction heliopsis is the ___ American oxeye, and Narcissus 'Queen of the ___' is a smallcupped daffodil! (5) |
| KIWI | Also known as the "Chinese gooseberry," the ___ is a furry fruit with a kick |
| LADYOFSHALOTT | The ____ is a Tennyson ballad about a young noblewoman trapped in a tower |
| QUOTIENT | Maths: the result of dividing one number by another (8) |
| OKLAHOMAKID | 1939 Western starring 61-A (with "The") |
| ZYGOTES | Of the product of the union of two gametes (7) |
