| Astrolabe reading | 17 |
| ___ dye | 7 |
| Nitrogen-based dye | 18 |
| Type of dye | 11 |
| Prefix with benzene | 19 |
| Nitrogen: prefix | 16 |
| Dye family | 10 |
| ___ dye (chemical coloring) | 27 |
| Dye type | 8 |
| Organic dye | 11 |
| Nitrogenous dye | 15 |
| Group of dyes | 13 |
| Dye group | 9 |
| Denoting nitrogen | 17 |
| __ dye: chemical coloring | 25 |
| Type of pigment used in artists' paints | 43 |
| Plastic and leather dye | 23 |
| Kind of compound in chemistry | 29 |
| Dye that comes from the French word for nitrogen | 48 |
| Dye class | 9 |
| Containing nitrogen: Prefix | 27 |
| _____ dye | 9 |
| ___ yellow, an acid dye | 23 |
| __ dye: methyl orange, e.g. | 27 |
| __ dye: food-coloring compound | 30 |
| __ dye: chemical colorant | 25 |
| Synthetic purplish colorant | 27 |
| Dye used on recordable CDs | 26 |
| Without life | 12 |
| Geologic time before life | 25 |
| Precambrian | 11 |
| Pre-life geologic age, formerly | 31 |
| Geologic age meaning "without life" | 45 |
| First age in geologic history | 29 |
| Before the appearance of life | 29 |
| __ Era: old name for Earth's pre-life period | 48 |
| Islands off Portugal | 20 |
| Atlantic islands | 16 |
| Islands west of Portugal | 24 |
| Atlantic island group | 21 |
| Portuguese islands | 18 |
| Portuguese island group | 23 |
| Islands near Portugal | 21 |
| Island group that includes São Miguel | 40 |
| São Miguel is the largest of them | 36 |
| Portuguese island chain | 23 |
| Portuguese archipelago | 22 |
| Ponta Delgada's locale | 26 |
| Chain on the Mid-Atlantic Ridge | 31 |
| They're west of Lisbon | 26 |
| They're Portuguese | 22 |
| São Miguel's islands | 27 |
| Santa Maria's chain | 23 |
| Santa Maria is one of them | 26 |
| Portuguese islands in the North Atlantic | 40 |
| Ponta Delgada is its capital | 28 |
| Ponta Delgada is its biggest city | 33 |
| Native home of the canary | 25 |
| Mid-Atlantic islands | 20 |
| Islands to which canaries are native | 36 |
| Islands in the Atlantic Ocean | 29 |
| Islands belonging to Portugal | 29 |
| Island group whose capital is Ponta Delgada | 43 |
| Island group administered by Portugal | 37 |
| Island chain that's home to Portugal's highest mountain | 63 |
| Home of São Miguel Island | 28 |
| Flores, Corvo et al. | 20 |
| Columbus stopping point of 1493 | 31 |
| Columbus landfall of 1493 | 25 |
| Atlantic Ocean islands | 22 |
| Atlantic island group owned by Portugal | 39 |
| Black Sea arm | 13 |
| Sea of ___ (Black Sea arm) | 26 |
| Sea of __: Black Sea arm | 24 |
| Russia's Sea of ___ | 23 |
| Arm of Black Sea | 16 |
| Russia/Ukraine's Sea of ___ | 31 |
| Don River's outlet | 22 |
| Arm of the Black Sea | 20 |
| Ukraine's Sea of ___ | 24 |
| U.S.S.R.'s Sea of ___ | 25 |
| U.S.S.R. town | 13 |
| Town on Gulf of Taganrog | 24 |
| Town near the Don's mouth | 29 |
| Smallest Soviet sea | 19 |
| Small Russian sea | 17 |
| Sea that lies north of the Kerch Strait | 39 |
| Sea of --- (Black Sea arm) | 26 |
| Sea of __, south of Ukraine | 27 |
| Sea of __, shallowest in the world | 34 |
| Sea of ___, in Russia | 21 |
| Sea of ___, arm of the Black Sea | 32 |
| Sea of ___ between Russia and Ukraine | 37 |
| Sea of ___ (view from Crimea's eastern coast) | 49 |
| Sea of ___ (setting of the Gulf of Taganrog) | 44 |
| Sea of ___ (section of the Black Sea) | 37 |
| Sea of ___ (Don River's receiver) | 37 |
| Sea of ___ (Black Sea gulf) | 27 |
| Sea of ___ (arm of the Black Sea) | 33 |
| Sea northeast of the Crimea | 27 |