| Material for un doblón | 25 |
| Material for urban lungs | 24 |
| Material for wine barrels | 25 |
| Material for winter wear | 24 |
| Material found at diggings | 26 |
| Material from a volcano | 23 |
| Material in a trucker cap | 25 |
| Material in an Elvis title | 26 |
| Material in protein synthesis | 29 |
| Material in seams and pockets | 29 |
| Material in tire cords | 22 |
| Material inside a baseball | 26 |
| Material inside a jewel case | 28 |
| Material investigation? | 23 |
| Material measures: Abbr. | 24 |
| Material named for a country | 28 |
| Material of an infamous crown | 29 |
| Material of no consequence | 26 |
| Material of some napkins | 24 |
| Material on tables and beds | 27 |
| Material prone to meltdowns? | 28 |
| Material sold in spools | 23 |
| Material suitable for suits | 27 |
| Material that coats arteries | 28 |
| Material that's absorbed | 28 |
| Material that's checked | 27 |
| Material that's ribbed | 26 |
| Material used in a nail salon | 29 |
| Material used in bas-relief | 27 |
| Material used in casting | 24 |
| Material used in shorts | 23 |
| Material used on some wheels | 28 |
| Material used to dress wounds | 29 |
| Materialistic thirtysomething | 29 |
| Materials for making glass | 26 |
| Materials for securing | 22 |
| Materials for some jackets | 26 |
| Materials for venetians | 23 |
| Materials for wedding gowns | 27 |
| Materials with R-values | 23 |
| Maternity dress choice | 22 |
| Maternity gown variety | 22 |
| Maternity ward arrival | 22 |
| Maternity ward figures | 22 |
| Maternity-ward announcement | 27 |
| Maternity-ward celebrity | 24 |
| Mates for forest nymphs | 23 |
| Mates who've split | 22 |
| Math approximation technique | 28 |
| Math assignment, briefly | 24 |
| Math book illustration | 22 |
| Math class before calc | 22 |
| Math class before calc. | 23 |
| Math class calculation | 22 |
| Math class calculations | 23 |
| Math class preposition | 22 |
| Math class, informally | 22 |
| Math course, for short | 22 |
| Math course, informally | 23 |
| Math game involving counters | 28 |
| Math game with matchsticks | 26 |
| Math groups with no members | 27 |
| Math homework assignment | 24 |
| Math homework, at times | 23 |
| Math is part of it: Abbr. | 25 |
| Math major's class | 22 |
| Math problems, at times | 23 |
| Math prof's funding org. | 28 |
| Math prof's proof ender | 27 |
| Math proof-ending letters | 25 |
| Math sense, to an engineer | 26 |
| Math student's problem | 26 |
| Math student's purchase | 27 |
| Math subj. with angles | 22 |
| Math subj. with integrals | 25 |
| Math subj. with proofs | 22 |
| Math subject, informally | 24 |
| Math teacher's dessert? | 27 |
| Math test answer, at times | 26 |
| Math test question, briefly | 27 |
| Math with triangles, briefly | 28 |
| Math's highest degree? | 26 |
| Math-lover's sensation? | 27 |
| Math. student's device | 26 |
| Mathematical association | 24 |
| Mathematical challenge | 22 |
| Mathematical comparison | 23 |
| Mathematical constants | 22 |
| Mathematical expression | 23 |
| Mathematical physicist Roger | 28 |
| Mathematical point-sets | 23 |
| Mathematical procedure | 22 |
| Mathematical proof letters | 26 |
| Mathematical proportion | 23 |
| Mathematical proposition | 24 |
| Mathematical relationship | 25 |
| Mathematical sets of points | 27 |
| Mathematical stepping stone | 27 |
| Mathematical subgroups | 22 |
| Mathematically high degree | 26 |