| SPEEDOFLIGHT | A fundamental constant of nature and physics defined by the vacuum propagation rate of electromagnetic radiation, exactly 299,792,458 metres per second (5,2,5) |
| BOLTZMANN | Austrian scientist who gave his name to a fundamental constant in physics |
| STURGEON | British engineer known for his development of electromagnets and electric motors, d. 1850 (8) |
| METRE | One ten-millionth of the distance between the North Pole and the equator (as defined by the French Academy of Sciences in 1791) |
| PLANCK | The constant of proportionality between the energy of a photo and its frequency (6) |
| CHYPRE | From the French meaning Cyprus, a family of perfumes defined by the scent of oakmoss (6) |
| SWEETSPOT | Area defined by the center of percussion and the vibration node, more familiarly |
| MIRACLES | Events that are contrary to the established laws of nature and attributed to a supernatural cause (8) |
| CYBELE | A flora or botanical treatise that takes its name from a mother goddess of nature and fertility (6) |
| SHINTOISM | Native religion of Japan, primarily a system of nature and ancestor worship. |
| OFFSET | A counterbalance; a side shoot of a sempervivum for propagation; a mountain spur; or, a bend in a pipe (6) |
| FRIGATE | Warship; as defined by the Royal Navy in World War II, one larger than a corvette and smaller than a destroyer, used as an antisubmarine escort vessel (7) |
| URBANAREA | A region of high human population density defined by the US Census Bureau that ignores local administrative boundaries |
| PUMP | A device such as the vacuum chamber or "pneumatic engine" invented by Robert Boyle with the help of Robert Hooke (4) |
| RUG | I'm the one in the room that loves the vacuum. What am I? A ___ |
| DEWAR | Sir James ___ (1842-1923), Scottish chemist and physicist whose achievements include the invention of the vacuum flask (5) |
| EPIC | Large-scale constants of mathematics and physics (4) |
| CHIN | Part of the face that's defined by the jaw |
| INERTIA | State or moment of stasis, defined by the equation l = mr (7) |
| ARTEMIS | Greek goddess of nature and the hunt (7) |
