| SEDIMENTATION | Process for making rock, a fatal day used up thinking (13) |
| CLOSEDNOMENUS | Couldn't give up thinking about food? |
| FLINT | Spark-making rock |
| GOODNIGHT | Last thing worth saying is don't wake up thinking this (9) |
| LEBLANC | Nicolas -; French chemist who developed a process for making sodium carbonate from common salt (7) |
| RHENIUM | Rare metal, Re, used in the process for making lead-free petrol (7) |
| WESTSIDESTORY | The occident's fatal day, right? (4,4,5) |
| TONALPOHUALLI | The sacred almanac of 260 days, used by the Aztecs, similar to Mayan and Mixtec ones (13) |
| ELECTRICCHAIR | Seat first charged for a fatal session (8,5) |
| KICKTHEBUCKET | Knock over a liquid container? It's a fatal error |
| DEATHSENTENCE | A fatal combination of words (5,8) |
| LIFEPRESERVER | Will it prevent death or deal a fatal blow? (4,9) |
| PUTTHEKNIFEIN | Deal someone a fatal blow (3,3,5,2) |
| DOMINION | What Canada Day used to be called, ___ Day |
| BIDET | Bathroom feature twice a day used by French joiner (5) |
| YOM | Hebrew word for day, used in the names of various Jewish religious observances (3) |
| TELEPATHY | Box along the way at end of day used for thought transference (9) |
| SINEDIE | Latin, 'without a day'; used of business or legal proceedings indefinitely adjourned (4,3) |
| PACKAGE | Day used by crew as kind of holiday (7) |
| SETTLING | Name the day used by bookmakers to close accounts (8) |