| CDL | Half of CM |
| INCH | Unit of imperial length equal to one twelfth of a foot or 2.54 cm; one quarter of a hand; or, a unit of measurement for pressure in a barometer (4) |
| KILOGRAM | Metric unit of mass that is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 of this unit. (8) |
| CUBIT | Ancient measure of length based on that of the forearm from the elbow to the tip of the middle finger; typically about 18 inches (45.72 cm) (5) |
| SQUID | The diameters of the eyes of colossal and giant ___ can measure over 25 cm (10 inches) and are among the largest of all living animals (5) |
| HAIL | Precipitation made up of balls or pieces of ice with a diameter of 5 mm (about 0.2 inch) to more than 15 cm (about 6 inches). |
| RADIOWAVE | Wave from the portion of the electromagnetic spectrum at lower frequencies than microwaves. The wavelengths of these waves range from thousands of metres to 30 cm. (5,4) |
| SPAN | Unit of distance of approximately 23 cm |
| EMS | Nickname of Namboodiripad, former CM of Kerala |
| BARLEYCORN | Former British unit of length equal to one third of an inch (approx. 0.8467 cm) (10) |
| PINT | Imperial unit of capacity equal to 34.68 cubic inches (568.26 cubic cm) or one eighth of a gallon (4) |
| GUILLEMOT | This bird is the largest of the "auks" at about 45 cm long and 1 kg in weight. The female of this species lays her one egg on the ground, where both parents share incubation duties. They can dive in w |
| FOOT | Any of numerous ancient, medieval, and modern linear measures (commonly 25 to 34 cm) based on the length of the human foot and used exclusively in English-speaking countries, where it generally consis |
| STERE | Unit of volume equal to (1) cm |
| ANNA | First CM of Tamil Nadu, aka Arignar ____ |
| LAMBERT | Unit of brightness equal to one lumen per sq. cm. (7) |
| TWELVEMO | Book size also called duodecimo of approximately 19 x 13 cm (8) |
| ELL | Obsolete measure of length, approx 114 cm (3) |
| ULRIKA | ___ Jonsson, Swedish TV star and pal of 33A who is also trying her luck on CM 2017 (pictured bottom) (6) |
| CHIZZY | ___ Akudolu, Holby City star who was first out of 41A and straight in to CM 2018 (6) |
